Carrying out Operation and Maintenance including watch and ward, housekeeping and gardening, MRT Assistance & assistance for Telecom of EHT 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&M Circle Vijayawada in Vijayawada Zone for the period of three years from the date of awarding of work (WORK -1 FOR 220KV and ABOVE SUB-STATIONS)