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	<id>https://en.bharatpedia.org/w/index.php?action=history&amp;feed=atom&amp;title=Panchendriya_%28sonar%29</id>
	<title>Panchendriya (sonar) - Revision history</title>
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	<updated>2026-09-06T23:59:45Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<updated>2022-02-07T14:59:55Z</updated>

		<summary type="html">&lt;p&gt;robot: Create/update articles. If there is a mistake please report on my &lt;a href=&quot;/wiki/User_talk:Bot&quot; title=&quot;User talk:Bot&quot;&gt;talk page&lt;/a&gt;.&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:29, 7 February 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use dmy dates|date=January &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use dmy dates|date=January &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2020&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use Indian English|date=January &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use Indian English|date=January &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2020&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Panchendriya&#039;&#039;&#039;  is a [[sonar]] suite that has been developed by the [[Defence Research and Development Organisation]], [[India]] for the [[submarines]] of the [[Indian Navy]]. It has been described as India&#039;s &quot;first indigenously developed sonar system for submarines&quot;.&amp;lt;ref&amp;gt;{{cite news|title=New Sonar system to boost Navy&#039;s warfare capability|url=http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|archive-url=https://web.archive.org/web/20080705231427/http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|url-status=dead|archive-date=5 July 2008|access-date=8 June 2013|newspaper=[[The Hindu]]|date=2 July &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/del&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Panchendriya&#039;&#039;&#039;  is a [[sonar]] suite that has been developed by the [[Defence Research and Development Organisation]], [[India]] for the [[submarines]] of the [[Indian Navy]]. It has been described as India&#039;s &quot;first indigenously developed sonar system for submarines&quot;.&amp;lt;ref&amp;gt;{{cite news|title=New Sonar system to boost Navy&#039;s warfare capability|url=http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|archive-url=https://web.archive.org/web/20080705231427/http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|url-status=dead|archive-date=5 July 2008|access-date=8 June 2013|newspaper=[[The Hindu]]|date=2 July &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2008&lt;/ins&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== History ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== History ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The system has been developed by the [[Naval Physical and Oceanographic Laboratory|Naval Physical Oceanographic Laboratory]], [[Kochi]] a laboratory under the DRDO in the southern Indian state of [[Kerala]].&amp;lt;ref name=&quot;newindianexpress&quot;&amp;gt;{{cite news|title=INS Arihant makes NPOL scientists proud|url=http://newindianexpress.com/cities/kochi/article100120.ece?service=print|access-date=8 June 2013|newspaper=New Indian Express|date=27 July &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/del&gt;}}&amp;lt;/ref&amp;gt; Initial approval for the project was given in 1987 for their induction into the Navy&#039;s [[Foxtrot-class submarine]]s and was further approved as a measure to shore up indigenous production in sonar technology following a review in 1990. By 1994, development of engineering models and factory testing had been completed. Further tests on the system began in 1997 on board the [[INS Karanj (S21)|INS Karanj]] with a scheduled induction for 2002.&amp;lt;ref&amp;gt;{{cite book|last=Friedman|first=Norman|title=The Naval Institute Guide to World Naval Weapon Systems|year=2006|publisher=Naval Institute Press|location=Annapolis, Maryland|page=627|url=https://books.google.com/books?id=4S3h8j_NEmkC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA627|isbn=1557502625}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite book|last=Wertheim|first=Eric|title=The Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft and Systems|year=2007|publisher=Naval Institute Press|location=Annapolis, Maryland|url=https://books.google.com/books?id=TJunjRvplU4C&amp;amp;q=panchendriya+&amp;amp;pg=PA291|isbn=9781591149552}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The system has been developed by the [[Naval Physical and Oceanographic Laboratory|Naval Physical Oceanographic Laboratory]], [[Kochi]] a laboratory under the DRDO in the southern Indian state of [[Kerala]].&amp;lt;ref name=&quot;newindianexpress&quot;&amp;gt;{{cite news|title=INS Arihant makes NPOL scientists proud|url=http://newindianexpress.com/cities/kochi/article100120.ece?service=print|access-date=8 June 2013|newspaper=New Indian Express|date=27 July &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2009&lt;/ins&gt;}}&amp;lt;/ref&amp;gt; Initial approval for the project was given in 1987 for their induction into the Navy&#039;s [[Foxtrot-class submarine]]s and was further approved as a measure to shore up indigenous production in sonar technology following a review in 1990. By 1994, development of engineering models and factory testing had been completed. Further tests on the system began in 1997 on board the [[INS Karanj (S21)|INS Karanj]] with a scheduled induction for 2002.&amp;lt;ref&amp;gt;{{cite book|last=Friedman|first=Norman|title=The Naval Institute Guide to World Naval Weapon Systems|year=2006|publisher=Naval Institute Press|location=Annapolis, Maryland|page=627|url=https://books.google.com/books?id=4S3h8j_NEmkC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA627|isbn=1557502625}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite book|last=Wertheim|first=Eric|title=The Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft and Systems|year=2007|publisher=Naval Institute Press|location=Annapolis, Maryland|url=https://books.google.com/books?id=TJunjRvplU4C&amp;amp;q=panchendriya+&amp;amp;pg=PA291|isbn=9781591149552}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Features ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Features ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Panchendriya is a composite submarine sonar and tactical weapons control system that contains [[Active sonar|active]], [[Passive sonar|passive]], [[surveillance]], [[ranging]] and interception sonars. It also has a submarine communications system built into it.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot;&amp;gt;{{cite web|title=Arihant Class Submarine | publisher=Naval Technology|url=https://www.naval-technology.com/projects/arihant-class/|access-date=19 January &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/del&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Panchendriya is a composite submarine sonar and tactical weapons control system that contains [[Active sonar|active]], [[Passive sonar|passive]], [[surveillance]], [[ranging]] and interception sonars. It also has a submarine communications system built into it.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot;&amp;gt;{{cite web|title=Arihant Class Submarine | publisher=Naval Technology|url=https://www.naval-technology.com/projects/arihant-class/|access-date=19 January &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2020&lt;/ins&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Deployment ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Deployment ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Panchendriya has been inducted into the Foxtrot submarines, the {{sclass|Sindhughosh|submarine|0}},&amp;lt;ref&amp;gt;{{cite book|last=Sakhuja|first=Vijay|title=Asian Maritime Power in the 21st Century: Strategic Transactions : China, India and Southeast Asia|year=2011|publisher=ISEAS Publications|location=Singapore|page=101|url=https://books.google.com/books?id=aoOk887bnvEC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA101|isbn=9789814311090}}&amp;lt;/ref&amp;gt; the {{sclass|Vela|submarine|0}}&amp;lt;ref&amp;gt;{{cite journal|title=Underwater might|journal=Frontline|date=10–23 March 2012|volume=29|issue=5|url=http://www.frontline.in/static/html/fl2905/stories/20120323290509800.htm|access-date=8 June &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/del&gt;}}&amp;lt;/ref&amp;gt; and {{sclass|Kilo|submarine|1}} as part of their upgrade.&amp;lt;ref&amp;gt;{{cite web|title=DRDO: Providing the technological edge to the Indian defense|url=http://www.sankalpindia.net/drupal/drdo-providing-technological-edge-indian-defense|publisher=Sankalp India Foundation|access-date=8 June &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/del&gt;}}&amp;lt;/ref&amp;gt; It is also part of the indigenously developed {{sclass|Arihant|submarine|0}}.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot; /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Panchendriya has been inducted into the Foxtrot submarines, the {{sclass|Sindhughosh|submarine|0}},&amp;lt;ref&amp;gt;{{cite book|last=Sakhuja|first=Vijay|title=Asian Maritime Power in the 21st Century: Strategic Transactions : China, India and Southeast Asia|year=2011|publisher=ISEAS Publications|location=Singapore|page=101|url=https://books.google.com/books?id=aoOk887bnvEC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA101|isbn=9789814311090}}&amp;lt;/ref&amp;gt; the {{sclass|Vela|submarine|0}}&amp;lt;ref&amp;gt;{{cite journal|title=Underwater might|journal=Frontline|date=10–23 March 2012|volume=29|issue=5|url=http://www.frontline.in/static/html/fl2905/stories/20120323290509800.htm|access-date=8 June &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2013&lt;/ins&gt;}}&amp;lt;/ref&amp;gt; and {{sclass|Kilo|submarine|1}} as part of their upgrade.&amp;lt;ref&amp;gt;{{cite web|title=DRDO: Providing the technological edge to the Indian defense|url=http://www.sankalpindia.net/drupal/drdo-providing-technological-edge-indian-defense|publisher=Sankalp India Foundation|access-date=8 June &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2013&lt;/ins&gt;}}&amp;lt;/ref&amp;gt; It is also part of the indigenously developed {{sclass|Arihant|submarine|0}}.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot; /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== See also ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== See also ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Bot</name></author>
	</entry>
	<entry>
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		<updated>2022-02-07T14:59:55Z</updated>

		<summary type="html">&lt;p&gt;robot: Create/upgrade articles. If there is a mistake please report on my &lt;a href=&quot;/wiki/User_talk:Bot&quot; title=&quot;User talk:Bot&quot;&gt;talk page&lt;/a&gt;.&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:29, 7 February 2022&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use dmy dates|date=January &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2020&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use dmy dates|date=January &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use Indian English|date=January &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2020&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Use Indian English|date=January &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Panchendriya&#039;&#039;&#039;  is a [[sonar]] suite that has been developed by the [[Defence Research and Development Organisation]], [[India]] for the [[submarines]] of the [[Indian Navy]]. It has been described as India&#039;s &quot;first indigenously developed sonar system for submarines&quot;.&amp;lt;ref&amp;gt;{{cite news|title=New Sonar system to boost Navy&#039;s warfare capability|url=http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|archive-url=https://web.archive.org/web/20080705231427/http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|url-status=dead|archive-date=5 July 2008|access-date=8 June 2013|newspaper=[[The Hindu]]|date=2 July &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2008&lt;/del&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Panchendriya&#039;&#039;&#039;  is a [[sonar]] suite that has been developed by the [[Defence Research and Development Organisation]], [[India]] for the [[submarines]] of the [[Indian Navy]]. It has been described as India&#039;s &quot;first indigenously developed sonar system for submarines&quot;.&amp;lt;ref&amp;gt;{{cite news|title=New Sonar system to boost Navy&#039;s warfare capability|url=http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|archive-url=https://web.archive.org/web/20080705231427/http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|url-status=dead|archive-date=5 July 2008|access-date=8 June 2013|newspaper=[[The Hindu]]|date=2 July &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/ins&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== History ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== History ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The system has been developed by the [[Naval Physical and Oceanographic Laboratory|Naval Physical Oceanographic Laboratory]], [[Kochi]] a laboratory under the DRDO in the southern Indian state of [[Kerala]].&amp;lt;ref name=&quot;newindianexpress&quot;&amp;gt;{{cite news|title=INS Arihant makes NPOL scientists proud|url=http://newindianexpress.com/cities/kochi/article100120.ece?service=print|access-date=8 June 2013|newspaper=New Indian Express|date=27 July &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2009&lt;/del&gt;}}&amp;lt;/ref&amp;gt; Initial approval for the project was given in 1987 for their induction into the Navy&#039;s [[Foxtrot-class submarine]]s and was further approved as a measure to shore up indigenous production in sonar technology following a review in 1990. By 1994, development of engineering models and factory testing had been completed. Further tests on the system began in 1997 on board the [[INS Karanj (S21)|INS Karanj]] with a scheduled induction for 2002.&amp;lt;ref&amp;gt;{{cite book|last=Friedman|first=Norman|title=The Naval Institute Guide to World Naval Weapon Systems|year=2006|publisher=Naval Institute Press|location=Annapolis, Maryland|page=627|url=https://books.google.com/books?id=4S3h8j_NEmkC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA627|isbn=1557502625}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite book|last=Wertheim|first=Eric|title=The Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft and Systems|year=2007|publisher=Naval Institute Press|location=Annapolis, Maryland|url=https://books.google.com/books?id=TJunjRvplU4C&amp;amp;q=panchendriya+&amp;amp;pg=PA291|isbn=9781591149552}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The system has been developed by the [[Naval Physical and Oceanographic Laboratory|Naval Physical Oceanographic Laboratory]], [[Kochi]] a laboratory under the DRDO in the southern Indian state of [[Kerala]].&amp;lt;ref name=&quot;newindianexpress&quot;&amp;gt;{{cite news|title=INS Arihant makes NPOL scientists proud|url=http://newindianexpress.com/cities/kochi/article100120.ece?service=print|access-date=8 June 2013|newspaper=New Indian Express|date=27 July &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/ins&gt;}}&amp;lt;/ref&amp;gt; Initial approval for the project was given in 1987 for their induction into the Navy&#039;s [[Foxtrot-class submarine]]s and was further approved as a measure to shore up indigenous production in sonar technology following a review in 1990. By 1994, development of engineering models and factory testing had been completed. Further tests on the system began in 1997 on board the [[INS Karanj (S21)|INS Karanj]] with a scheduled induction for 2002.&amp;lt;ref&amp;gt;{{cite book|last=Friedman|first=Norman|title=The Naval Institute Guide to World Naval Weapon Systems|year=2006|publisher=Naval Institute Press|location=Annapolis, Maryland|page=627|url=https://books.google.com/books?id=4S3h8j_NEmkC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA627|isbn=1557502625}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite book|last=Wertheim|first=Eric|title=The Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft and Systems|year=2007|publisher=Naval Institute Press|location=Annapolis, Maryland|url=https://books.google.com/books?id=TJunjRvplU4C&amp;amp;q=panchendriya+&amp;amp;pg=PA291|isbn=9781591149552}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Features ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Features ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Panchendriya is a composite submarine sonar and tactical weapons control system that contains [[Active sonar|active]], [[Passive sonar|passive]], [[surveillance]], [[ranging]] and interception sonars. It also has a submarine communications system built into it.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot;&amp;gt;{{cite web|title=Arihant Class Submarine | publisher=Naval Technology|url=https://www.naval-technology.com/projects/arihant-class/|access-date=19 January &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2020&lt;/del&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Panchendriya is a composite submarine sonar and tactical weapons control system that contains [[Active sonar|active]], [[Passive sonar|passive]], [[surveillance]], [[ranging]] and interception sonars. It also has a submarine communications system built into it.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot;&amp;gt;{{cite web|title=Arihant Class Submarine | publisher=Naval Technology|url=https://www.naval-technology.com/projects/arihant-class/|access-date=19 January &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/ins&gt;}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Deployment ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Deployment ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Panchendriya has been inducted into the Foxtrot submarines, the {{sclass&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-&lt;/del&gt;|Sindhughosh|submarine|0}},&amp;lt;ref&amp;gt;{{cite book|last=Sakhuja|first=Vijay|title=Asian Maritime Power in the 21st Century: Strategic Transactions : China, India and Southeast Asia|year=2011|publisher=ISEAS Publications|location=Singapore|page=101|url=https://books.google.com/books?id=aoOk887bnvEC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA101|isbn=9789814311090}}&amp;lt;/ref&amp;gt; the {{sclass&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-&lt;/del&gt;|Vela|submarine|0}}&amp;lt;ref&amp;gt;{{cite journal|title=Underwater might|journal=Frontline|date=10–23 March 2012|volume=29|issue=5|url=http://www.frontline.in/static/html/fl2905/stories/20120323290509800.htm|access-date=8 June &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2013&lt;/del&gt;}}&amp;lt;/ref&amp;gt; and {{sclass&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-&lt;/del&gt;|Kilo|submarine|1}} as part of their upgrade.&amp;lt;ref&amp;gt;{{cite web|title=DRDO: Providing the technological edge to the Indian defense|url=http://www.sankalpindia.net/drupal/drdo-providing-technological-edge-indian-defense|publisher=Sankalp India Foundation|access-date=8 June &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2013&lt;/del&gt;}}&amp;lt;/ref&amp;gt; It is also part of the indigenously developed {{sclass&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-&lt;/del&gt;|Arihant|submarine|0}}.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot; /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Panchendriya has been inducted into the Foxtrot submarines, the {{sclass|Sindhughosh|submarine|0}},&amp;lt;ref&amp;gt;{{cite book|last=Sakhuja|first=Vijay|title=Asian Maritime Power in the 21st Century: Strategic Transactions : China, India and Southeast Asia|year=2011|publisher=ISEAS Publications|location=Singapore|page=101|url=https://books.google.com/books?id=aoOk887bnvEC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA101|isbn=9789814311090}}&amp;lt;/ref&amp;gt; the {{sclass|Vela|submarine|0}}&amp;lt;ref&amp;gt;{{cite journal|title=Underwater might|journal=Frontline|date=10–23 March 2012|volume=29|issue=5|url=http://www.frontline.in/static/html/fl2905/stories/20120323290509800.htm|access-date=8 June &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/ins&gt;}}&amp;lt;/ref&amp;gt; and {{sclass|Kilo|submarine|1}} as part of their upgrade.&amp;lt;ref&amp;gt;{{cite web|title=DRDO: Providing the technological edge to the Indian defense|url=http://www.sankalpindia.net/drupal/drdo-providing-technological-edge-indian-defense|publisher=Sankalp India Foundation|access-date=8 June &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&lt;/ins&gt;}}&amp;lt;/ref&amp;gt; It is also part of the indigenously developed {{sclass|Arihant|submarine|0}}.&amp;lt;ref name=&quot;newindianexpress&quot; /&amp;gt;&amp;lt;ref name=&quot;naval-technology&quot; /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== See also ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== See also ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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{{Use Indian English|date=January 2020}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Panchendriya&amp;#039;&amp;#039;&amp;#039;  is a [[sonar]] suite that has been developed by the [[Defence Research and Development Organisation]], [[India]] for the [[submarines]] of the [[Indian Navy]]. It has been described as India&amp;#039;s &amp;quot;first indigenously developed sonar system for submarines&amp;quot;.&amp;lt;ref&amp;gt;{{cite news|title=New Sonar system to boost Navy&amp;#039;s warfare capability|url=http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|archive-url=https://web.archive.org/web/20080705231427/http://www.hindu.com/2008/07/02/stories/2008070261560300.htm|url-status=dead|archive-date=5 July 2008|access-date=8 June 2013|newspaper=[[The Hindu]]|date=2 July 2008}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== History ==&lt;br /&gt;
The system has been developed by the [[Naval Physical and Oceanographic Laboratory|Naval Physical Oceanographic Laboratory]], [[Kochi]] a laboratory under the DRDO in the southern Indian state of [[Kerala]].&amp;lt;ref name=&amp;quot;newindianexpress&amp;quot;&amp;gt;{{cite news|title=INS Arihant makes NPOL scientists proud|url=http://newindianexpress.com/cities/kochi/article100120.ece?service=print|access-date=8 June 2013|newspaper=New Indian Express|date=27 July 2009}}&amp;lt;/ref&amp;gt; Initial approval for the project was given in 1987 for their induction into the Navy&amp;#039;s [[Foxtrot-class submarine]]s and was further approved as a measure to shore up indigenous production in sonar technology following a review in 1990. By 1994, development of engineering models and factory testing had been completed. Further tests on the system began in 1997 on board the [[INS Karanj (S21)|INS Karanj]] with a scheduled induction for 2002.&amp;lt;ref&amp;gt;{{cite book|last=Friedman|first=Norman|title=The Naval Institute Guide to World Naval Weapon Systems|year=2006|publisher=Naval Institute Press|location=Annapolis, Maryland|page=627|url=https://books.google.com/books?id=4S3h8j_NEmkC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA627|isbn=1557502625}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite book|last=Wertheim|first=Eric|title=The Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft and Systems|year=2007|publisher=Naval Institute Press|location=Annapolis, Maryland|url=https://books.google.com/books?id=TJunjRvplU4C&amp;amp;q=panchendriya+&amp;amp;pg=PA291|isbn=9781591149552}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
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== Features ==&lt;br /&gt;
The Panchendriya is a composite submarine sonar and tactical weapons control system that contains [[Active sonar|active]], [[Passive sonar|passive]], [[surveillance]], [[ranging]] and interception sonars. It also has a submarine communications system built into it.&amp;lt;ref name=&amp;quot;newindianexpress&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;naval-technology&amp;quot;&amp;gt;{{cite web|title=Arihant Class Submarine | publisher=Naval Technology|url=https://www.naval-technology.com/projects/arihant-class/|access-date=19 January 2020}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
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== Deployment ==&lt;br /&gt;
Panchendriya has been inducted into the Foxtrot submarines, the {{sclass-|Sindhughosh|submarine|0}},&amp;lt;ref&amp;gt;{{cite book|last=Sakhuja|first=Vijay|title=Asian Maritime Power in the 21st Century: Strategic Transactions : China, India and Southeast Asia|year=2011|publisher=ISEAS Publications|location=Singapore|page=101|url=https://books.google.com/books?id=aoOk887bnvEC&amp;amp;q=panchendriya+sonar&amp;amp;pg=PA101|isbn=9789814311090}}&amp;lt;/ref&amp;gt; the {{sclass-|Vela|submarine|0}}&amp;lt;ref&amp;gt;{{cite journal|title=Underwater might|journal=Frontline|date=10–23 March 2012|volume=29|issue=5|url=http://www.frontline.in/static/html/fl2905/stories/20120323290509800.htm|access-date=8 June 2013}}&amp;lt;/ref&amp;gt; and {{sclass-|Kilo|submarine|1}} as part of their upgrade.&amp;lt;ref&amp;gt;{{cite web|title=DRDO: Providing the technological edge to the Indian defense|url=http://www.sankalpindia.net/drupal/drdo-providing-technological-edge-indian-defense|publisher=Sankalp India Foundation|access-date=8 June 2013}}&amp;lt;/ref&amp;gt; It is also part of the indigenously developed {{sclass-|Arihant|submarine|0}}.&amp;lt;ref name=&amp;quot;newindianexpress&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;naval-technology&amp;quot; /&amp;gt;&lt;br /&gt;
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== See also ==&lt;br /&gt;
*[[USHUS (sonar)]]&lt;br /&gt;
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== References ==&lt;br /&gt;
{{Reflist}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Sonar]]&lt;br /&gt;
[[Category:Military equipment of India]]&lt;br /&gt;
[[Category:Submarine components]]&lt;br /&gt;
[[Category:Indian inventions]]&lt;br /&gt;
[[Category:Submarines of India]]&lt;/div&gt;</summary>
		<author><name>&gt;GreenC bot</name></author>
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