DRA Infracon – Siemens JV has received a Letter of Acceptance (LoA) for the signalling and telecommunication (S&T) system Package S-1 of the Mumbai–Ahmedabad Bullet Train Project.

Bidding Process
In January 2025, National High Speed Rail Corporation Ltd. (NHSRCL) floated tender for this contract with a 2555-day (7-year) deadline.
On 30 April 2025, technical bids were opened, revealing that 2 firms had submitted bids for the contract. Technical evaluation of the bids took place on 14 May 2025.
Financial bids were opened on 15 May 2025, and financial evaluation of the bids took place on 9 June 2025, revealing that DRA Infracon – Siemens JV has received LoA for the contract.
Financial Values
Firm | Bid (Rs. Crore) |
DRA – Siemens JV | 4,140.06 |
Alstom – L&T JV | 12,686.13 |
About Package S-1 of the Mumbai-Ahmedabad Bullet Train Project
IFB Number: Package No. MAHSR – S-1
The awarded contractor will be responsible for the end-to-end design, installation, and commissioning works for the Mumbai–Ahmedabad High Speed Rail Corridor.
Brief Scope: Design, Manufacture, Supply, Installation, Overall Integration, Testing, Commissioning, and Comprehensive Maintenance of Signalling & Train Control System, Telecommunication System, and Operation Control Centre System on Mumbai Ahmedabad High-Speed Rail Project, India.