Providing and fixing of idmt relay, e/l relay with cbct, digital meter and other items in different 07 nos. 11kv and 3.3kv vcb, ocb at main 11kv/3.3kv substation for protection and safety purpose under bhurkunda colliery.

Providing and fixing of 1 no. 800 amp. and 1 no. 630 amp.&#x0d mccb/dth at different locations of religara colliery and providing and fixing of rubber mat for religara main substation under argada area. &#x0d

Repairing and maintenance of safety device connected in 5 nos. of 11kv/3.3kv power transformer having capacity (1x3mva, 2x2mva, 1x1mva and 1x1.6mva) at main substation under bhurkunda colliery.

1) painting of 4 nos tss i.e 4201,4202, 4204 4205 including writing information and repairing of roof of tss-4201 and 4204. 2) repairing/painting of 2nos of skid substation 1mvai.e 4207 4208 including providing and fixing of idmt relay 3) making

Providing and fixing of heat shrinkable outdoor and indoor cable end termination kit in 11kv/3.3kv grade cable connected with overhead line, switchgears and transformers at dakra substation, mines and colony in different location under dakra project,

Supply and fixing of ngr 3.3kv 10 amp, 190 ohms for 3 nos., 1 mva, 11kv/3.3kv (2 nos.) and 1.6 mva, 11kv/3.3 kv (01 no.) power transformer installed at main and banwar substation at topa project under kuju area.

Maintenance and repairing at site of buchloz relay alarm bell system of 02 nos of 1mva,11kv/3.3kv power transformer at main substation and mine substation of karma project under kuju area.

Providing and fixing of damaged/defunct spares in 2 nos of 3. 3kv nflp 3. 3kv 400amp indoor type vcb with sl no is 180 and sgi 2127 including testing and overhauling installed at surface substation of hirakhand bundia mine of rampur sub area under o

Providing and fixing of e/l relay with cbct, idmt relay, ct, ht bushing, 3.3kv vacuum contactor coil and other items in 02 nos. 11kv or3.3kv ocb and 02 nos. 3.3kv vcb er at balkudra substation and quarry at bhurkunda colliery under barka sayal.

Repairing of (a) one no of ece make, 400 amps, 11kv ocb of ranipur colliery under parbelia group of mines and (b) one no of biecco lawrie make, 800amps, 12kv, vcb primary main of 500kva transformer at surface substation of parbelia colliery under sod