tggenco btps stage ii em division labour charges for cleaning of outer casing of generators 3 4 cleaning of rotor grounding brushes along with brush holders cleaning of exciter chamber cleaning of 72 nos hvr transformers in esps 3 4 (both pass ab) top up of oil tightening of bolts of power cable at both transformer end ec panel end tightening of terminals in transformer cabinet filling of silica gel arresting of oil leaks cleaning of sensor processing units cleaning and tightening of panels in esp control room and tightening of ct connections at terminal block in 6.6 kv 3ca 3cb 4c 4cb occ ocd and ocf boards and all other lt boards for the period from 01.04.2025 to 31.03.2026