tender for complete overhauling of operating mechanism assembly of 36kv vcb at 132 kv s/s naugarh under electricity transmission division-ii, basti. - overhauling and renovation of 36kv vcb of different type which installed at different 33kv bays of 132kv s/s naugarh under etd-ii,basti.cleaning the parts with crc making in proper slide position of moving rolls springs adjusting the closing and tripping system input and output circuit, tighting loose nut, bolts lubricating done on its gears teeth wheel and making suitable for proper operation. 2 providing and fixing of updated single line digram inpvc sheet of size 6x6 fit of complete 132/33kv switchyard of 132kv substation naugarh as per instruction of conserning je/sdo. 3 supply of auxiliary contactor 110v dc,3no,2nc