bids are invited for 72.5kv single phase pts having ratio 66kv / √3 110v √3 110v √3 110 - 110v√3 oil immersed, self cooled, hermetically sealed, outdoor type, single phase , multi ratio with first filling of oil and with terminal connectors but without supporting structure complete in all respects for 220kv substation jamalpur 400kv substation panipat 400kv substation bhiwani pong power house talwara 72.5kv single phase cts having ratio 1000-800-600-400 / 1-1-1-1a, oil immersed, self cooled, hermetically sealed, live / dead tank, porcelain insulator, outdoor type, single phase , multi ratio, multi core, with first filling of oil and with terminal connectors. complete in all respects for 220kv substation jamalpur 400kv substation panipat 220kv substation ballabhgarh 72.5kv single phase cts having ratio 300-200-150 / 1-1-1-1a, oil immersed, self cooled, hermetically sealed, live / dead tank, porcelain insulator, outdoor type, single phase , multi ratio, multi core, with first filling of oil and with terminal connectors. complete in all respects for 220kv substation jamalpur 400kv substation panipat 220kv substation ballabhgarh