Carrying Out Operation And Maintenance Including Watch And 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 132Kv Ss Tenali, 132Kv Ss Tadepalli 132Kv Ss Ponnur And Cbd Gang, Tadikonda Pertaining To O&M Circle Guntur In Vijayawada Zone For The Period Of Three Years From The Date Of Awarding Of Work. Reserved For Sc Bidders