bids are invited for attending oil leakage and preventive maint of 2nos 630kva indoor trans substn at te pinto road hubli arresting of oil leakage , arresting of oil leakage from ht side , filtration and dehydration of oil , filtration and dehydration of oil of ocb , supplying and topping up of oil , supplying and fixing of silica gell , servicing of all ht switchgears , painting of outdoor ms structure , servicing of ht panel , supplying of isi marked rubber hand gloves , supplying and laying of isi marked rubber mat three mm , supplying and laying of isi marked rubber mat two mm , calibration testing checking and correcting idmt relay , servicing of main mv panel and capacitor panel total quantity : 76