Kolkata Metro: RVNL invites bids for construction of 10 elevated stations & viaduct on Baranagar-Barrackpore Corridor Narendra Shah & Editorial Team - 29/07/2026 0 89Details: Kolkata Metro: RVNL invites bids for construction of 10 elevated stations & viaduct on Baranagar-Barrackpore Corridor