BCPL Railway Infrastructure shares surged 7.9% on the BSE, hitting an intra-day high of ₹81. The jump follows the company being declared the Lowest Bidder (L1) for a ₹78.97 crore contract from Rail Vikas Nigam Ltd (RVNL). The project involves upgrading overhead electrical equipment in the Vijayawada Division of South Central Railway and is to be completed within 18 months.