Odisha Power Transmission Corporation Limited (OPTCL), invites bid (In e-tendering mode only) under single stage two-envelop system for Construction of 3rd Transformer bay without supply of 01 No. of 20 MVA Power Transformer at 132/33kV Grid S/s, Dabugaon at an Estimate package for 2,38,99,450/- in Nabarangapur District of Odisha on turnkey Contract basis. under ED, Southern Zone, Berhampur.