Details: overhauling of 11 kv vcb crompton make which installed at various sub-stations. insulation paint inside of 11 kv vcb crompton make panel and oval epoxy items i.e. c.t. driver insulators, c.t. & bus bar side spout and vaccum chambers etc. replacement of tripping assembly complete housing and plunger suitable of 11 kv vcb crompton make. replacement of auxiliary switch and re-wiring work after replacement of auxiliary switch. replacement of jack rod with complete set of mechanism suitable for 11kv crompton make vcb. replacement of charging gear complete set with lead along with bearing suitable for 11 kv crompton make vcb overhauling of busbar including providing proper insulation using h.t. tape etc. testing of o/c and e/f of 11 kv vcb through secondary injection set. replacement of burned/damaged wiring of panels using 2.5/4 sqmm multistand copper wire. 11 kv vcb's panel amp. meter/volt meter/selector switch/indicators blowing lamp t&c switches etc as required suitable for 11 kv cromp