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	<title>B28 trainset - Revision history</title>
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	<updated>2026-10-29T09:05:26Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<updated>2026-04-27T07:36:24Z</updated>

		<summary type="html">&lt;p&gt;done...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Short description|Upcoming Indian high speed train type}}&lt;br /&gt;
&amp;lt;!-- EDIT BELOW THIS LINE --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{Infobox train&lt;br /&gt;
| name = B28&lt;br /&gt;
| image = &lt;br /&gt;
| stocktype = &lt;br /&gt;
| manufacturer = [[BEML Limited]]&lt;br /&gt;
| designer = [[Integral Coach Factory|ICF]] and [[BEML Limited]]&lt;br /&gt;
| assembly = Bengaluru (BEML facility)&lt;br /&gt;
| numberbuilt = 2 prototypes&lt;br /&gt;
| formation = 8-car trainset&lt;br /&gt;
| capacity = Approximately 580 seats (estimated)&lt;br /&gt;
| operator = [[National High Speed Rail Corporation Limited]] (for trials)&lt;br /&gt;
| maxspeed = {{convert|250|km/h|mph|abbr=on}} (operational)&amp;lt;br&amp;gt;{{convert|280|km/h|mph|abbr=on}} (design)&lt;br /&gt;
| traction = Distributed traction (IGBT-based)&lt;br /&gt;
| hvac = Pressurized units with enhanced filtration&lt;br /&gt;
| brakes = Microprocessor-controlled&lt;br /&gt;
| gauge = {{RailGauge|sg}}&lt;br /&gt;
| notes = Contract value: ₹866.87 crore&lt;br /&gt;
}}&lt;br /&gt;
The &amp;#039;&amp;#039;&amp;#039;B28&amp;#039;&amp;#039;&amp;#039; (also referred to as &amp;#039;&amp;#039;&amp;#039;B28 trainset&amp;#039;&amp;#039;&amp;#039; or &amp;#039;&amp;#039;&amp;#039;Train B28&amp;#039;&amp;#039;&amp;#039;) is a high-speed trainset prototype under development by [[BEML Limited]] in partnership with the [[Integral Coach Factory]] (ICF). It is intended for trial operations on the [[Mumbai–Ahmedabad high-speed rail corridor]]. The trainsets are designed for an operational speed of 250&amp;amp;nbsp;km/h and a maximum design speed of 280&amp;amp;nbsp;km/h.&amp;lt;ref name=&amp;quot;PIBFeb2026&amp;quot;&amp;gt;{{cite web |url=https://www.pib.gov.in/PressReleasePage.aspx?PRID=2226523 |title=MUMBAI-AHMEDABAD HIGH-SPEED RAIL (BULLET TRAIN) PROJECT UPDATES |date=11 February 2026 |publisher=Press Information Bureau |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&amp;lt;ref name=&amp;quot;MoneycontrolJan2026&amp;quot;&amp;gt;{{cite news |url=https://www.moneycontrol.com/news/india/india-s-first-indigenous-high-speed-train-set-to-enter-manufacturing-phase-soon-13756924.html |title=India&amp;#039;s first indigenous high-speed train set to enter manufacturing phase soon |date=5 January 2026 |work=Moneycontrol |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&amp;lt;ref name=&amp;quot;MetroRailTodayDec2025&amp;quot;&amp;gt;{{cite news |url=https://metrorailtoday.com/news/beml-sets-timeline-for-production-of-high-speed-trainsets-for-indias-first-bullet-train-project |title=BEML sets timeline for production of high speed trainsets for India&amp;#039;s first Bullet Train project |date=29 December 2025 |work=Metro Rail Today |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; The Railways also plans a B35 trainset with a maximum speed design of 350&amp;amp;nbsp;km/h.&amp;lt;ref&amp;gt;{{Cite web |date=2026-03-30 |title=After B28, Railways plans ‘B35 bullet train’ for high speed corridor: All about the upgrade |url=https://indianexpress.com/article/india/after-b28-railways-plans-b35-bullet-train-for-high-speed-corridor-all-about-the-upgrade-10609571/ |access-date=2026-04-26 |website=The Indian Express |language=en}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Background ==&lt;br /&gt;
The [[Mumbai–Ahmedabad high-speed rail corridor]] was planned to use Japanese [[E5 Series Shinkansen]] trainsets, but negotiations were terminated in 2024 over cost and modification disputes for Indian conditions.&amp;lt;ref&amp;gt;{{cite web |url=https://www.financialexpress.com/business/railways-based-on-japans-shinkasen-technology-will-the-mumbai-ahmedabad-bullet-train-adapt-to-indias-hot-and-humid-climate-3625823/ |title=Based on Japan&amp;#039;s Shinkansen technology, will the Mumbai-Ahmedabad Bullet Train adapt to India&amp;#039;s hot and humid climate? |date=30 September 2024 |website=The Financial Express |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Thereafter, the [[Integral Coach Factory]] (ICF) tendered for indigenous prototypes. [[BEML]] was the sole bidder and was awarded the contract at a lower per-coach cost.&amp;lt;ref name=&amp;quot;TimesOfIndiaOct2024&amp;quot;&amp;gt;{{Cite news |date=2024-10-16 |title=No other bidder, BEML to make 1st high-speed train |url=https://timesofindia.indiatimes.com/india/no-other-bidder-beml-to-make-1st-high-speed-train/articleshow/114265885.cms |access-date=2026-04-26 |work=The Times of India |issn=0971-8257}}&amp;lt;/ref&amp;gt; Primary rolling stock for the corridor remains the Japanese E10 Series Shinkansen, while the B28 prototypes are intended for trials and development work.&amp;lt;ref name=&amp;quot;PIBFeb2026&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;IndianExpressFeb2026&amp;quot;&amp;gt;{{cite news |url=https://indianexpress.com/article/india/bullet-train-after-vande-bharat-govt-focuses-on-designing-manufacturing-280-kmph-high-speed-trains-10533808 |title=Bullet train: After Vande Bharat, Govt focuses on designing &amp;amp; manufacturing 280 kmph high-speed trains |date=February 2026 |work=The Indian Express |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Development ==&lt;br /&gt;
In October 2024, the Integral Coach Factory awarded BEML a contract valued at ₹866.87 crore to design, manufacture and commission two eight-car high-speed trainsets.&amp;lt;ref name=&amp;quot;TheHinduOct2024&amp;quot;&amp;gt;{{cite news |url=https://www.thehindu.com/business/beml-awarded-contract-worth-86687-crore-to-build-indigenous-high-speed-trains/article68756688.ece |title=BEML awarded contract worth ₹866.87 crore to build indigenous high-speed trains |author=Porecha, Maitri |date=15 October 2024 |work=The Hindu |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&amp;lt;ref name=&amp;quot;BusinessStandardOct2024&amp;quot;&amp;gt;{{cite news |url=https://www.business-standard.com/companies/news/beml-wins-rs-866-87-crore-contract-to-build-made-in-india-bullet-trains-124101600214_1.html |title=BEML wins Rs 866.87 crore contract to build &amp;#039;Made in India&amp;#039; bullet trains |date=16 October 2024 |work=Business Standard |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; As of February 2026, preliminary design review and detailed design review for underframe, car body and bogie were nearing completion. Manufacturing of car bodies and structural elements is in progress at BEML&amp;#039;s Bengaluru facility. A full-scale mock-up is scheduled for unveiling in the first quarter of 2026. The first prototype is targeted for rollout by December 2026, with the second in 2027. The prototypes will undergo static tests, oscillation trials, structural validation (including full car body squeeze tests) and high-speed trials over 7–8 months before certification.&amp;lt;ref name=&amp;quot;MetroRailTodayDec2025&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;MoneycontrolJan2026&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;RailJournalNov2025&amp;quot;&amp;gt;{{cite news |url=https://www.railjournal.com/passenger/high-speed/indian-high-speed-trials-to-start-in-2027 |title=Indian high-speed trials to start in 2027 |date=28 November 2025 |work=International Railway Journal |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
On 2 September 2025, [[Knorr-Bremse]] announced the signing of an equipment contract with BEML to supply the braking and entrance systems along with air conditioning and sanitary systems for the two prototypes of B28 trains. The firm is also establishing a manufacturing facility near [[Chennai]] with deliveries to begin in 2026.&amp;lt;ref&amp;gt;{{Cite press release |title=Knorr-Bremse to equip India’s first high-speed trains with system technologies |date=2025-09-02 |publisher=[[Knorr-Bremse]] |url=https://newsroom.knorr-bremse.com/en/knorr-bremse-to-equip-indias-first-high-speed-trains-with-system-technologies/ |access-date=2026-04-26}}&amp;lt;/ref&amp;gt; BEML has also initiated efforts to identify Indian suppliers for passenger seats and interior panels.{{Citation needed|date=April 2026}}&lt;br /&gt;
&lt;br /&gt;
On 28 February 2026, the [[National High Speed Rail Corporation Limited]] (NHSRCL) issued a single tender enquiry (Package No. MAHSR-BRS-1) to BEML Limited for the design, manufacture, supply, testing, commissioning and comprehensive maintenance of rolling stock and allied works for the Mumbai–Ahmedabad high-speed rail corridor.&amp;lt;ref name=&amp;quot;metrorailnews&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;metrorailtoday&amp;quot; /&amp;gt; The tender follows a single-stage two-envelope bidding procedure. Bid submissions were scheduled from 11 to 16 March 2026 (09:00–15:00 hrs IST) and technical bids were to open on 17 March 2026 at 15:00 hrs. This package builds on the earlier October 2024 contract awarded by the Integral Coach Factory to BEML for the construction of two prototype trainsets.&amp;lt;ref name=&amp;quot;metrorailnews&amp;quot;&amp;gt;{{cite web |url=https://metrorailnews.in/rolling-stock-tender-for-bullet-train-project |title=Bullet Train Project: NHSRCL Issues Single Tender Enquiry To BEML For Rolling Stock |website=Metro Rail News |date=2 March 2026 |access-date=3 March 2026}}&amp;lt;/ref&amp;gt;&amp;lt;ref name=&amp;quot;metrorailtoday&amp;quot;&amp;gt;{{cite web |url=https://metrorailtoday.com/news/nhsrcl-invites-single-tender-from-beml-for-bullet-train-rolling-stock-package |title=NHSRCL invites Single Tender from BEML for Bullet Train Rolling Stock Package |website=Metro Rail Today |date=28 February 2026 |access-date=3 March 2026}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
In March 2026, the Parliamentary Standing Committee on Railways tabled its report on the Demands for Grants (2026–27) of the Ministry of Railways. The report included details from the Ministry regarding the Mumbai–Ahmedabad High-Speed Rail project. According to the Ministry&amp;#039;s submission, initial commercial operations on the Surat–Vapi section (approximately 97&amp;amp;nbsp;km) are planned for August 2027 using the B28 trainsets manufactured by BEML.&amp;lt;ref&amp;gt;{{cite news |url=https://indianexpress.com/article/business/bullet-train-project-start-operations-bharat-made-trainsets-10575233 |title=Bullet train project to start operations with Bharat-made trainsets: House panel report |work=The Indian Express |date=11 March 2026 |access-date=13 March 2026}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite news |url=https://timesofindia.indiatimes.com/business/india-business/made-in-india-bullet-train-to-run-on-ahmedabad-mumbai-route-in-2027/articleshow/129424442.cms |title=Made-in-India bullet train to run on Ahmedabad-Mumbai route in 2027 |work=The Times of India |date=11 March 2026 |access-date=13 March 2026}}&amp;lt;/ref&amp;gt; The Ministry stated that the B28 trainsets have a design speed of 280&amp;amp;nbsp;km/h, with initial operations at 250&amp;amp;nbsp;km/h. Future upgrades to 320–350&amp;amp;nbsp;km/h may be possible. The signalling system for this section will use ETCS Level 2. The committee&amp;#039;s report also noted the project&amp;#039;s overall cost escalation and efforts towards indigenisation of high-speed rail technology.&amp;lt;ref&amp;gt;{{cite news |url=https://www.deccanherald.com/india/bharat-made-trainsets-for-mumbaiahmedabad-corridor-bullet-train-project-3927274 |title=Bharat-Made Trainsets to Run Mumbai–Ahmedabad 508-km Bullet Rail |work=Deccan Herald |date=10 March 2026 |access-date=13 March 2026}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
On 20 March 2026, &amp;#039;&amp;#039;[[Moneycontrol]]&amp;#039;&amp;#039; reported that the consortium of [[BEML Limited|BEML]] and Medha Servo Drives was likely to receive an order for 16 additional high-speed trainsets for the [[Mumbai–Ahmedabad high-speed rail corridor|Mumbai–Ahmedabad high-speed rail project]].&amp;lt;ref name=&amp;quot;Moneycontrol2026&amp;quot;&amp;gt;{{cite web |last= |first= |date=20 March 2026 |title=BEML-Medha set to bag 16-trainset order for Mumbai-Ahmedabad high-speed corridor |url=https://www.moneycontrol.com/news/india/beml-medha-set-to-bag-order-for-16-high-speed-trainsets-for-mumbai-ahmedabad-high-speed-corridor-13865792.html |access-date=2 April 2026 |website=Moneycontrol}}&amp;lt;/ref&amp;gt;&amp;lt;ref name=&amp;quot;DeshGujarat&amp;quot;&amp;gt;{{cite web |date=23 March 2026 |title=BEML–Medha Likely to Supply 16 More Trainsets for Mumbai–Ahmedabad Bullet Train Project |url=https://deshgujarat.com/2026/03/23/beml-medha-likely-to-supply-16-more-trainsets-for-mumbai-ahmedabad-bullet-train-project/ |access-date=2 April 2026 |website=DeshGujarat}}&amp;lt;/ref&amp;gt; The proposed order is estimated to be worth approximately {{INRConvert|4000|c|year=2026}} in total (around {{INRConvert|250|c|year=2026}} per trainset) and is expected to include a seven-year maintenance contract.&amp;lt;ref name=&amp;quot;Moneycontrol2026&amp;quot; /&amp;gt; These additional trainsets are planned to follow the same basic design as the two initial prototypes already under development by BEML, with possible minor enhancements to be incorporated based on testing and operational feedback.{{Citation needed|date=April 2026}} The manufacturing of the first two prototypes was yet to commence, leading to a delay in the prototype rollout. The first prototype was then expected in March 2027, with the additional 16 trainsets to follow later.&amp;lt;ref name=&amp;quot;Moneycontrol2026&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;MetroRailNews&amp;quot;&amp;gt;{{cite web |date=27 March 2026 |title=BEML - Medha consortium to supply 16 high - speed trains for Mumbai Ahmedabad High Speed Rail Corridor |url=https://metrorailnews.in/beml-medha-to-supply-high-speed-train/ |access-date=2 April 2026 |website=Metro Rail News}}&amp;lt;/ref&amp;gt; This potential order forms part of the broader plan to indigenise high-speed rolling stock for the corridor, following the initial October 2024 contract awarded to BEML by the [[Integral Coach Factory]] for the two prototypes.{{Citation needed|date=April 2026}}&lt;br /&gt;
&lt;br /&gt;
On 25 April 2026, the [[Ministry of Railways (India)#Railway ministers|Minister of Railways]], [[Ashwini Vaishnaw]], inaugurated a facility at BEML&amp;#039;s Aditya facility at [[Bengaluru]] for the development and production of B-28 coaches and the trainset. The first trainset is scheduled to be manufactured by March 2027.&amp;lt;ref name=&amp;quot;:0&amp;quot;&amp;gt;{{Cite web |date=2026-04-25 |title=Bengaluru’s BEML Aditya plant to manufacture India’s first bullet train ‘B28’ |url=https://indianexpress.com/article/india/bengalurus-beml-aditya-plant-to-manufacture-indias-first-bullet-train-b28-10655666/ |access-date=2026-04-26 |website=The Indian Express |language=en}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Specifications ==&lt;br /&gt;
The trainsets are designed for temperatures from −5&amp;amp;nbsp;°C to 50&amp;amp;nbsp;°C, high humidity, heavy rainfall, dust and corrosive environments. They include dust filters and enhanced pressurized air-conditioning.&amp;lt;ref name=&amp;quot;MoneycontrolJan2026&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;dgci_pts&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/oCIqb6kw1jYhRCEyTNwjvB3ZaWzcnIXNOUrUoPXB.pdf |title=Train B28 Procurement Technical Specification |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; The design supports an average daily run of approximately 2,000&amp;amp;nbsp;km.&amp;lt;ref name=&amp;quot;MetroRailTodayDec2025&amp;quot; /&amp;gt;&lt;br /&gt;
The trainsets use distributed traction with IGBT-based converters, bolsterless bogies and microprocessor-controlled braking. Safety features include compliance with EN 45545 fire norms and ETCS Level-2 signalling compatibility.&amp;lt;ref name=&amp;quot;MoneycontrolJan2026&amp;quot; /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Components and procurement ==&lt;br /&gt;
&lt;br /&gt;
The procurement of specialized components for the B28 prototypes is currently being managed through the Government e-Marketplace (GeM) and the Directorate General of Commercial Intelligence and Statistics (DGCI&amp;amp;S). Initial phases of the project involved securing infrastructure for vehicle-level body shell testing and the acquisition of dedicated test rigs.&amp;lt;ref name=&amp;quot;dgci_body_shell&amp;quot;&amp;gt;{{cite web |url=https://mkp.gem.gov.in/catalog_data/catalog_support_document/buyer_documents/1232287/54/78/703/CatalogAttrs/SpecificationDocument/2025/6/23/01-pts_vehicle_body_shell_tests_hsr_rev-00_with_rig_2025-06-23-10-05-08_b5c9aa0f652716f81e676ea0b3c4450d.pdf |title=Procurement for Vehicle Level Body Shell Tests for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; This was followed by the procurement of bogie type tests to ensure adherence to established structural design standards.&amp;lt;ref name=&amp;quot;dgci_bogie&amp;quot;&amp;gt;{{cite web |url=https://mkp.gem.gov.in/catalog_data/catalog_support_document/buyer_documents/1209129/54/78/703/CatalogAttrs/SpecificationDocument/2025/8/14/sow-bogie_2025-08-14-16-41-25_8efd478fbf6aed18e15045abc0ae7dbf.pdf |title=Procurement for Vehicle Level Bogie Type Tests for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Significant focus has been placed on the train&amp;#039;s aerodynamic profile, with tenders issued for external components such as nose cones and specialized cable trays.&amp;lt;ref name=&amp;quot;dgci_aero&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/TphjO3RlAq3ddkelspIN9pt39hqIlpO339iP7kO9.pdf |title=Procurement for Aerodynamic External Components for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Additional aerodynamic elements include the installation of custom roof cladding&amp;lt;ref name=&amp;quot;dgci_roof&amp;quot;&amp;gt;{{cite web |url=http://itj.dgciskol.gov.in/z1dy7JVGdmFhzWA1d5AEskI6GSVMEhutgFen1dCo.pdf |title=Procurement for Roof Cladding for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; and protective underframe covers to minimize drag.&amp;lt;ref name=&amp;quot;dgci_underframe&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/TphjO3RlAq3ddkelspIN9pt39hqIlpO339iP7kO9.pdf |title=Procurement for Underframe External Cover/Cladding for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; The electrical infrastructure is further supported by the procurement of high-durability underframe cable trays.&amp;lt;ref name=&amp;quot;dgci_cable&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/ZiIybklIThQu9cPhBikzYXb4KkYYniPwXMQQhTnp.pdf |title=Procurement for Under Frame Cable Trays for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Interior and operator-centric components comprise a major part of the recent procurement lists, including modular interior fittings.&amp;lt;ref name=&amp;quot;dgci_interior&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/oCIqb6kw1jYhRCEyTNwjvB3ZaWzcnIXNOUrUoPXB.pdf |title=Procurement for High Speed Trainset B28 Interior Components |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; The driver&amp;#039;s cabin has been outfitted with specific ergonomic features such as specialized footrests&amp;lt;ref name=&amp;quot;dgci_footrest&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/1IagYo1s5kGSPQmbDonMnlcEBfyB7g6Q2jWTAZkO.pdf |title=Procurement for Driver&amp;#039;s Footrest for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; and high-impact cab side window glazing.&amp;lt;ref name=&amp;quot;dgci_window&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/1IagYo1s5kGSPQmbDonMnlcEBfyB7g6Q2jWTAZkO.pdf |title=Procurement for Cab Side Window Glass with Frame for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Further cabin refinements include integrated control interface elements&amp;lt;ref name=&amp;quot;dgci_cab&amp;quot;&amp;gt;{{cite web |url=http://itj.dgciskol.gov.in/public/RxQRF2VkLfGqAdtU9ocurbybwtCzGZt1GJI9auOi.pdf |title=Procurement for Driver&amp;#039;s Cab Components for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; and specialized floor boarding.&amp;lt;ref name=&amp;quot;dgci_floor&amp;quot;&amp;gt;{{cite web |url=http://itj.dgciskol.gov.in/z1dy7JVGdmFhzWA1d5AEskI6GSVMEhutgFen1dCo.pdf |title=Procurement for Floor Boards for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Water and sanitation management systems for the trainset feature high-capacity fresh water tanks&amp;lt;ref name=&amp;quot;dgci_water&amp;quot;&amp;gt;{{cite web |url=http://www.itj.dgciskol.gov.in/ULBMML97UtiC6HGC40F3t0wixILHiBRO3wrL0MNE.pdf |title=Procurement for Fresh Water Tank for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; and advanced bio-digester units for waste processing.&amp;lt;ref name=&amp;quot;dgci_bio&amp;quot;&amp;gt;{{cite web |url=https://bidplus.gem.gov.in/bidding/bid/documentdownload/8229581/1755508621.pdf |title=Procurement for Bio Digester for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; The passenger amenities are further enhanced by the inclusion of pressurized modular toilet systems designed for high-speed operation.&amp;lt;ref name=&amp;quot;dgci_toilets&amp;quot;&amp;gt;{{cite web |url=https://mkp.gem.gov.in/catalog_data/catalog_support_document/buyer_documents/1232287/54/78/703/CatalogAttrs/SpecificationDocument/2025/6/23/01-pts_vehicle_body_shell_tests_hsr_rev-00_with_rig_2025-06-23-10-05-08_b5c9aa0f652716f81e676ea0b3c4450d.pdf |title=Procurement for Pressurized Modular Toilets for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Safety and structural integrity are addressed through the procurement of evacuation bridges&amp;lt;ref name=&amp;quot;dgci_evac1&amp;quot;&amp;gt;{{cite web |url=https://bidplus.gem.gov.in/bidding/bid/documentdownload/8229581/1755508621.pdf |title=Procurement for Evacuation Bridge for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; and emergency rope ladders.&amp;lt;ref name=&amp;quot;dgci_ladder&amp;quot;&amp;gt;{{cite web |url=https://bidplus.gem.gov.in/bidding/bid/documentdownload/8589917/1763110311.pdf |title=Procurement for Emergency Rope Ladder for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Various pieces of emergency gear have also been sourced along with high-grade SUS301L-ST stainless steel materials.&amp;lt;ref name=&amp;quot;dgci_evac2&amp;quot;&amp;gt;{{cite web |url=https://bidplus.gem.gov.in/bidding/bid/documentdownload/8269099/1756192416.pdf |title=Procurement for Emergency Evacuation Equipment for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&amp;lt;ref name=&amp;quot;dgci_material&amp;quot;&amp;gt;{{cite web |url=https://bidplus.gem.gov.in/bidding/bid/documentdownload/8269099/1756192416.pdf |title=Procurement for Material SUS301L-ST for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Heavy industrial components such as underframe castings have been ordered through BEML’s procurement channels.&amp;lt;ref name=&amp;quot;dgci_castings&amp;quot;&amp;gt;{{cite web |url=https://fulfilment.gem.gov.in/contract/slafds?fileDownloadPath=SLA_UPLOAD_PATH%2F2025%2FMay%2FGEM_2025_B_6239860%2FCLM0010%2FNIT_ed29421d-d361-41dc-a60a1747389382352_pradeepa%40beml.pdf |title=Procurement for Castings for Underframe in Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Quality assurance is maintained through third-party weld assessments&amp;lt;ref name=&amp;quot;dgci_weld&amp;quot;&amp;gt;{{cite web |url=http://itj.dgciskol.gov.in/public/p9fNbdHmBPTs9wPdvzsGh42kaUMk21X31ZnCxunT.pdf |title=Procurement for Third-party Weld Assessment for Train B28 |publisher=DGCI&amp;amp;S |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; and strict adherence to a documented list of technical standards.&amp;lt;ref name=&amp;quot;dgci_standards&amp;quot;&amp;gt;{{cite web |url=https://fulfilment.gem.gov.in/contract/slafds?fileDownloadPath=SLA_UPLOAD_PATH%2F2025%2FAug%2FGEM_2025_B_6531033%2FCLM0010%2FNIT_4ad20b96-3da4-458b-82021754302267006_pradeepa%40beml.pdf |title=Procurement for List of Standards for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Finally, mechanical support is provided by the acquisition of RS-6 stainless steel brackets.&amp;lt;ref name=&amp;quot;dgci_brackets1&amp;quot;&amp;gt;{{cite web |url=https://bidplus.gem.gov.in/bidding/bid/documentdownload/8286855/1756532312.pdf |title=Procurement for RS-6 SS Brackets for Train B28 |publisher=GeM |format=PDF |access-date=2026-02-20}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Suppliers ==&lt;br /&gt;
Key suppliers include [[Knorr-Bremse]] for braking systems,&amp;lt;ref&amp;gt;{{cite web |url=https://newsroom.knorr-bremse.com/en/knorr-bremse-to-equip-indias-first-high-speed-trains-with-system-technologies/ |title=Knorr-Bremse to equip India&amp;#039;s first high-speed trains with system technologies |date=2 September 2025 |access-date=2026-02-20}}&amp;lt;/ref&amp;gt; Medha for the Train Control and Management System (TCMS),&amp;lt;ref name=&amp;quot;MoneycontrolJan2026&amp;quot; /&amp;gt; Traktionssysteme Austria (TSA) for gearboxes, Compin Fainsa for passenger seats, Hanuk Fibre for interior panels and nose cone, and EC Engineering (Poland) for design validation consultancy.&lt;br /&gt;
&lt;br /&gt;
== Interior and passenger facilities ==&lt;br /&gt;
The air-conditioned coaches include reclining or rotating seats, provisions for passengers with reduced mobility, entertainment systems, pressurized modular toilets, fresh water tanks and bio-digesters.&amp;lt;ref name=&amp;quot;MoneycontrolJan2026&amp;quot; /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Route and operations ==&lt;br /&gt;
The prototypes are intended for trials on the 508&amp;amp;nbsp;km [[Mumbai–Ahmedabad high-speed rail corridor]], with initial testing on the [[Surat high-speed railway station|Surat]]–[[Vapi high-speed railway station|Vapi]] section.&amp;lt;ref name=&amp;quot;:0&amp;quot; /&amp;gt; Trials are expected after certification in 2027. Partial commercial services on select sections may begin from August 2027, subject to approvals.&amp;lt;ref name=&amp;quot;PIBFeb2026&amp;quot; /&amp;gt;&amp;lt;ref name=&amp;quot;RailJournalNov2025&amp;quot; /&amp;gt;&lt;br /&gt;
These trainsets serve as prototypes for development and testing. Primary rolling stock for the corridor is the Japanese E10 Series Shinkansen.&amp;lt;ref name=&amp;quot;PIBFeb2026&amp;quot; /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[High-speed rail in India]]&lt;br /&gt;
* [[Mumbai–Ahmedabad high-speed rail corridor]]&lt;br /&gt;
* {{anl|Amrit Bharat (trainset)}}&lt;br /&gt;
* {{anl|Namo Bharat (trainset)}}&lt;br /&gt;
* {{anl|Vande Bharat (trainset)}}&lt;br /&gt;
* {{anl|Vande Bharat Sleeper (trainset)}}&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
{{reflist}}&lt;br /&gt;
[[Category:Electric multiple units of India]]&lt;br /&gt;
[[Category:Higher-speed rail]]&lt;br /&gt;
[[Category:Modi administration initiatives]]&lt;br /&gt;
[[Category:High-speed rail in India]]&lt;br /&gt;
[[Category:Proposed transport infrastructure in India]]&lt;br /&gt;
[[Category:Proposed public transport in India]]&lt;/div&gt;</summary>
		<author><name>ChristinaQ73</name></author>
	</entry>
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