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 220KV & above Sub-stations pertaining to O and M Circle Guntur in Vijayawada Zone for the period of three years from the date of awarding of work. Work-1 for 220KV & above 400KV Sub-stations