Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

Repairing and maintenance and testing of one no. of vcb main switch, 3.3 kv, 650a electroteknica make, sl. no. et-4191 and one no. ocb, 11kv,100 a, gec make, sl. no. 453-3 and repairing and testing of two nos. of ats panel, 415 v,50 hp

Providing with retrofitting of vcb 3.3 kv, 630 amps with trolley in existing gec make ocb panel.

Complete repairing of 3.3 kv 3 phase 400 amps ocb of gec make sl no bh(s)/ocb/15 of bhowra south colliery

Complete repairing and reconditioning a) 11 kv 400 amp. make gec, sl no. 525, b) 11 kv, 400 amp. make gec, sl. no. 524, c) 3.3 kv, 400 amp. make electroteknica, sl no. 7013 ocb switch installed at kocp under hazaribagh area.

Complete repairing of one 400 amps, 3.3 kv gec make ocb with bus bar of bhowra north colliery.

(a) complete repairing 400 amps 3.3 kv prabhu make vcb ht switch ctr 2005 sl. no. 123 and local id. no. nt/sw/vcb 3.3 kv /37 (b) complete repairing 3.3 kv 400 amps ocb switch gec make org. (sl.no. m/165 ) at marigodam sub-station of jeenagora secti

Onsite repair and maintenance of three nos. vcb switch, first 3.3 kv, 630 a, sr. no. 4035, andrew yule make, second 3.3 kv, 630 a, sr. no. vbb 292 electroteknica make and third, 3.3 kv, 630 a, sr. no. vbb 293 electroteknica make, installed at the 11

(a)complete repairing and overhauling and safety protection of no. h.t. switch 3.3 kv 400 amps gec make ocb switch sl.no. ocb/m-163 local id no. bccl/nt/sw/3.3kv 05 (b) complete repairing and overhauling of 1 no. 400 amps 440 volt gec make ocb switc

Repairing and installation of new safety devices in 6.6kv / 3.3 kv, 630amps, vcb, make-electroteknica, sl. no. 062 field switch of shovel section at kathara colliery.