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{{Use Indian English|date=August 2020}}
'''Sri Rajangam Iyer''' (1903 - 1948) was one of the first native Indian engineering managers of the [[South Indian Railway Company]] of [[British India]].<ref>{{Cite book|url=https://books.google.com/books?id=RJiMs-uDdrMC&q=sri+rajangam|title=Classified List of State Railway Establishment and Distribution Return of Establishment of All Railways|date=1936|publisher=Central Publication Branch|language=en}}</ref>
[[File:Sri Rajangam_portrait.jpg|alt=Sri Rajangam Iyer (Portrait Photograph circa 1930s)|thumb|Sri Rajangam Iyer]]

Sri Rajangam was the deputy [[Chief mechanical engineer]] of South Indian Railways (SIR).
He was the first native Indian to become the works manager of [[Golden Rock Railway Workshop]], situated in Ponmalai (Golden Rock), [[Tiruchirapalli]], Tamil Nadu.
Even his immediate successor in 1946 was a British man.

He is also credited as one of the engineering co-inventors of the water-saving [[Jaison Water Tap]].<ref name="sri_rajangam_biography">{{Cite web|url=http://ravanasamudram.com/know-your-past-generation/|title=Ravanasamudram: Know Your Past Generation - Sri Rajangam|website=ravanasamudram.com|language=en-US|access-date=2017-12-13}}</ref>

== Major contributions and legacy ==

=== Engineering innovations ===
Together with friends such as the innovator-entrepreneur [[J.P. Subramonya Iyer]] of [[Travancore]] and engineer [[S.L. Narayanan]], he developed a water-saving tap named [[Jaison Water Tap]] that was later introduced widely across the Indian Railways.<ref name=achuth_13Jan2017>[http://www.thehindu.com/society/Innovators-and-patent-holders/article17034917.ece Innovators and patent holders], Achuthsankar S. Nair, [[The Hindu]], Thiruvananthapuram, 13 January 2017</ref>

=== Railway operations ===
* He had prepared detailed manuals on operation and crisis management in South Indian Railways.<ref>{{Cite web|url=https://steamindex.com/jile/jile.htm|title=Journal of the Institution of Locomotive Engineers|website=SteamIndex |access-date=2017-12-13}}</ref> These included a paper titled ''Some factors contributing to derailments of railway rolling stock'' (Paper No. 370) published by the ''[[Journal of the Institution of Locomotive Engineers]]'' in 1937.<ref>{{Cite journal|date=1937-05-01|title=Some Factors Contributing to Derailments of Railway Rolling Stock|journal=Journal of the Institution of Locomotive Engineers|first=Sri|last=Rajangam|language=en|volume=27|issue=137|pages=427–448|doi=10.1243/JILE_PROC_1937_027_027_02|issn=0534-283X}}</ref> Some of these are still being referred to by the engineering staff of [[Southern Railway zone]] of [[Indian Railways]].
* During [[WW2]], he had shown exemplary administrative skills to ensure fast repairs of locomotives and enable efficient goods transport.
* During the [[1928 South Indian railway strike]], he had ensured efficient operation of his department irrespective of several workers joining the month-long [[general strike]].<ref name="labour_monthly_1928">{{cite journal|title=South Indian Railway Strike|journal=The Labour Monthly|volume=10|issue=6|date=October 1928|pages=636–639|url=http://www.marxists.org/history/international/comintern/sections/britain/periodicals/labour_monthly/1928/10/india.htm}}</ref>

== Early years and education ==

Sri Rajangam was born as the second son of Mada Theru Manaankutty Iyer. He had six siblings, including three elder sisters, an elder brother and two younger sisters.

Rajangam studied at Ambasamudram and [[Maharaja's College, Trivandrum]] (today University College Thiruvananthapuram) and later obtained his bachelor's degree in engineering and mechanical engineering diplomas from [[College of Engineering, Guindy]] at [[Madras]] city, thereby becoming the first graduate of his family.<ref name="obituary_institution_locomotive">{{Cite journal|date=1948-03-01|title=Obituary|journal=Journal of the Institution of Locomotive Engineers|language=en|volume=38|issue=202|pages=343–347|doi=10.1243/JILE_PROC_1948_038_023_02|issn=0534-283X}}</ref>

== Professional career ==
After completing his education as a mechanical engineer, Sri Rajangam first worked for 4 years at [[Negapatam]] (Nagapattinam) at the shops (central workshop before it was moved to Trichy in 1928) there.
In 1929, he was appointed an assistant mechanical engineer. Until 1936, he served as assistant to works manager, assistant mechanical engineers in two locomotive districts and as personal assistant to the CME at Golden Rock Railway Workshop.
In 1936, he was elected as associate member of the Institution of Locomotive Engineers (ILE) and served as the honorary secretary of the South India branch for many years.
Circa 1945-1946, he was offered to head the [[Chittaranjan Locomotive Works]]. However, he could not take up the position as he developed cancer.

Since 30 March 1947, he was on sick leave (at first for a month, subsequently for another month, and so on) and remained so on medical certificate, until his death on 13 February 1948.<ref name="archive_gazette_feb1948">{{Cite book|url=https://archive.org/details/in.gazette.1948.25|title=Gazette of India, 1948, No. 25|last=Directorate of Printing|first=Government of India|date=1948-02-28}}</ref>

In their official obituary,<ref name="obituary_institution_locomotive"/> the ILE described him as "one of the most progressive Locomotive men in India" and acknowledged his many ideas and suggestions that were incorporated in the workshops of the SIR.

== Family ==
In 1922, he married [[Lakshmi Rajangam]] (1910–2009), a famous Carnatic classical music composer, vocalist and violinist and litterateur, who was the daughter of T.S. Sankara Aiyar, Financial Commissioner, Railway Board.<ref name="thehindu_lakshmi_2016">{{Cite news|url=http://www.thehindu.com/features/friday-review/music/feminine-prowess-in-lyric-writing/article8649728.ece|title=Feminine prowess in lyric writing|last=Krishnan|first=Lalithaa|date=2016-05-26|work=The Hindu|access-date=2017-12-13|language=en-IN|issn=0971-751X}}</ref>
Lakshmi was only 12 years old at the time of their wedding, as it was common practice then.
The couple had two daughters (Saroja Krishnamurthy and Seetha Subramanian) and two sons (R.R.Sankarasubramanian aka Ramani and R.R.Balakrishnan aka Bala).<ref name="sri_rajangam_biography"/>

On 13 February 1948, at the age of 45, Sri Rajangam died due to cancer.<ref name="obituary_institution_locomotive"/><ref name="archive_gazette_feb1948"/>

After his early death, his wife Lakshmi brought up their remaining 3 young children while she worked at [[All India Radio]], [[Tiruchirappalli|Trichy]] as a Carnatic musician as well as a writer of published essays and one-act plays.<ref name="geni_Rajangam_2007">{{Cite web|url=https://www.geni.com/people/SRI-Rajangam/3287301|title=SRI Rajangam|language=en-US|website=www.geni.com|date=28 October 2014 |access-date=2017-12-13}}</ref><ref name="geni_lakshmi_2007">{{Cite web|url=https://www.geni.com/people/Lakshmi-Rajangam/3280426|title=Lakshmi Rajangam|language=en-US|website=www.geni.com|access-date=2017-12-13}}</ref>

== See also ==
* [[Indian Railway Service of Mechanical Engineers]]
* [[Frank D'Souza]]
* [[Fateh Chand Badhwar]]

== References ==
{{reflist}}

{{authority control}}

[[Category:20th-century Indian engineers]]
[[Category:Indian mechanical engineers]]
[[Category:Rail transport in Tamil Nadu]]

Sri Rajangam - Revision history

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