Carrying Out Operation And Maintenance Including Watch & Ward, Housekeeping And Gardening, Mrt Assistance And Assistance For Telecom Of E.H.T Sub-Stations And Lines And Cbd And Sm Gangs For Lines And Sub-Stations On Works Contract Basis Pertaining To 220Kv Ss Gunadala, 220Kv Ss Tiruvuru, 220Kv Ss Chillakallu, 220Kv Ss Nunna, 220Kv Ss Gudivada And 220Kv Ss Nuzividu Pertaining To O And M Circle Vijayawada In Vijayawada Zone For The Period Of Three Years From The Date Of Awarding Of Work Work -1 For 220Kv & Above Sub-Stations