bids are invited for mtce and oil filtration of 400kva indoor transformer substation at te gulbarga filtration and dehydration of oil of following indoor transformers , supplying and topping up of tested quality fresh transformer oil , supplying and fixing of silica jell , servicing of all ht switchgears , painting of 11kv outdoor ms structure , arresting of transformer oil leakage , servicing of 11kv ht panel , filtration and dehydration of oil of 11 kv 400 a ocb 11kv ht panel , supplying and keeping of isi marked 11 kv 33kv rubber hand , supplying and laying of isi marked 1 dot 1 kv 2mm thick rubber mattings , calibration testing checking and correcting of pick up time and closing time of idmt relay , servicing of main mv panel and capacitor panel total quantity : 67