Repairing and maintenance of 7 nos. earth leakage relay (elr) make amp control, sr. no. n9306-21135, n9306-20777, n9305-20631, n9306-21133, n9305-20622, n9306-20782 and n9306-20791 one no. intellisys controller sr.no.27386-07332-gce one no. 48 v dc c

(a)new winding of 07 nos. vibrator transformer and new core changing volt input 220v, 2.17amp to volt output 440v, 12.5amp of rcb 00 and (b) repairing of 24 no. plate rectifier unit 24 amp for vibrator ing panel at rcb 00 out of 32 nos. vibrator

Ca no. ge af no.1/gur-26/2025-26 repair to leakage/ seepage in bldg no p-144 to p-148 from wall and sunken slab and other associated works in certain qtrs of officers enclave in sekhon vihar area at af stn palam under ge (af) gurgoan no 1

Ca no. ge af no.1/gur-27/2025-26 repair to leakage/ seepage in bldg no p-149 to p-153 from wall and sunken slab and other associated works in certain qtrs of officers enclave in sekhon vihar area at af stn palam under ge (af) gurgoan no 1

Overhauling of 2nos 1000kva oil type transformer including filtration and top up of new transformer oil 1 no of earth fault relay master relay auxiliary relay available in the 11kv vcb accessories and transport charges available in amma maligai

Providing and fixing air break switch, drop out fuse in ht side and outdoor cable termination work in lt side with other accessories work of two nos. transformer installed near pit office and shivpur railway siding and provision of earth leakage rela

For partial repairing and installation of buchholz relay, winding and oil temperature meters of 500kva, 11kv/440v lighting transformer make kva process ltd sl no 11/1380 of sector 2 substation of east basuria colliery in respect of kusunda area.

Supply and fitting of earth leakage relay with time delay, repairing of tsus and repairing of 10 hp submersible motor pump with 02 nos. of sd starter at msam colliery