E-Tender notice for the work of “ Cleaning of porcelain portion of 400kV & 220 kV EHV equipment ( ISO CB, CT, PT, Insulator string, LA etc. ) at 400kV RS Kalwa , 220 kV & 100kV Lines insulators at 220kV line sub division under EHV (O&M) Circle, Kalwa by using high voltage cleaner & protector”.