Labour charges for cleaning of outer casing of Generators 3 and 4,cleaning of rotor grounding brushes along with brush holders, cleaning of exciter chamber, cleaning of 72 Nos HVR transformers in Units 3 and 4, top up of oil, tightening of bolts power cable at both transformer end and 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 3CA,3CB,4CA,4CB,OCC,OCD and OCF and all other LT boards for the year 2024-25.