Construction of RCC Box Metro tunnel including Birati UG Station building & Subways (with Entry-Exit Structures) for two underground Metro Stations (Birati & Michael Nagar) by Cut & Cover Method (Top Down with Diaphragm Wall/ Bottom Up Method with support arrangement) including architectural finishing, firefighting, water supply, sanitary installation, drainage & BLT works, E&M service, ECS Service, TVS Services, Power Supply System with 750 V DC Traction System including composite Aluminium third Rail from Ch: 6.250 Km to Ch: 9.840 Km including all ancillary works in connection with extension of Metro Railway from to Barasat via . at Multi Location,Multi State,India