Carrying out Operation and Maintenance including watch and ward, housekeeping and gardening, MRT Assistance and 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 132KV SS Avanigadda and Hot Lines Sub-division pertaining to O&M Circle Vijayawada in Vijayawada Zone for the period of three years from the date of awarding of work (RESERVED FOR ST BIDDERS)