Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

Complete rewinding and repairing of 167 hp 550 volts motor of east baseriya colliery under kusunda area

Repairing and maintenance of 6.6kv and 440v overhead line for 365 days at jhanjra project colliery

Diversion of existing 440v overhead line along with illumination of haul road by led flood lights at tirap colliery

1.drawing of 1 new 440 v overhead line (500 m) from no.2 pit substation to agent office, kumardhubi colliery, 2. new 550v overhead line (300 m) from no. 2 pit substation to no. 2 pit fan house at kumardhubi colliery, mugma area, ecl.3.a) drawing of n

Erection of 220v overhead line (two-wire) from gkkc to new coal dump for installation of cctv camera under cpwd-12, gkkc colliery, kusunda area

For the fabrication of 35 (thirty five) nos. tubular poles using 6 inches 4 inch ms pipe for strengthening and maintenance of electrical overhead distribution system at kankakee colliery.

Auxiliary transformer 80va pri 500 525 550, part no. fs2004c,air breaker contactor 16amps, part no fs2003a,air break contactor 63 amps, part no fs2003e,direct acting thermal overload relay, part no fs2010a,earth leakage relay complete w.o. transf, part no fs2018,pilot relay 12v dc, part no fs2026,auxiliary contactor 2no 2nc 110v 415v 550v, part no fs2020,auxillary cantactor 3 no 1nc 110v 415v , part no fs2020a,i.s. pilot oanel instrinsically safe, part no fs2035,air break contactor 40amps upto 20hp 550v, part no fs2003c,isolator 200 amp,3.3 kv on off, part no ht100,vacuum contactor 400 amps, 3.3kv, part no ht200,bottle vaccum interrupture 400a for cont, part no ht202,auxiliary contactor 3no 1nc, 110v, part no ht208,resin cast p.t. 750va, 3.3kv 110 volt, part no ht300,resin cast p.t 300va 3.3kv 110v, 3 phase, part no ht350,resin cast moulded ct for o l relay 75 , part no ht600,resin cast moulded ct for ammeter 150 5, part no ht650,earth leakage relay unit complete witho, part no ht800,3 pole magnetic o l relay

Erection of 440 volt phase separator in different 440 volt overhead lines of different colonies under kathara colliery.

Erection and commissioning of pole of 550 volt overhead line at 3 pit joyrampur colliery of amal.joyrampur colliery under lodna area.