GPT Infraprojects subsidiary Alcon Builders and Engineers Private Limited has been declared L1, or first lowest bidder, for Western Railway work valued at Rs 149.49 crore, the company said in a BSE filing dated October 3, 2026. The work covers signalling and telecom replacement at 18 stations in the railway’s Bhavnagar Division.

Alcon Builders is a wholly owned subsidiary of GPT Infraprojects Limited. The parent company disclosed the bidding development to BSE and the National Stock Exchange, identifying the railway client as DYCSTE-W-RJT-S AND T/Western Railway.

The reported status is L1 designation. The filing does not state that a final contract award has been issued, making the lowest-bidder status the specific development disclosed to the exchanges.

Replacement work across 18 stations

The proposed contract concerns codal life based replacement of existing PI stations with EI, MSDAC and in-built block working. It also includes signalling and telecom equipment at 18 stations in Bhavnagar Division, according to the scope set out in the filing.

The listed responsibilities cover the following stages:

  • Design and supply of the systems and equipment covered by the contract.
  • Installation and programming.
  • Testing and commissioning.

The scope therefore extends from design and supply through commissioning, rather than being limited to equipment delivery. GPT Infraprojects presented Rs 149.49 crore as the size of the overall contract described in its disclosure.

The filing gives a division-wide station count but does not name the individual stations or provide separate values for the different components of the work.

Exchange disclosure details

GPT Infraprojects submitted the information under Regulation 30 read with Part A of Schedule III of the SEBI Listing Obligations and Disclosure Requirements Regulations, 2015. Company Secretary and Compliance Officer Sonam Lakhotia signed the disclosure.

The company is identified on BSE by scrip code 533761 and on NSE by the symbol GPTINFRA. Its registered office is in Salt Lake, Kolkata. The supplied disclosure does not specify an execution period or a commissioning deadline for the railway work.