Replacement of 2 nos. existing 220 kv abb make pneumatic circuit breakers of 220 kv renigunta feeder and 31.5mva ptr-1 hv with new 220kv spring charge mechanism circuit breakers (siemens make), 06 nos existing 220 kv current transformers of 220 kv renigunta feeder and 31.5 mva ptr-1 hv with new 220 kv current transformers (mehru make), 03 nos existing 220 kv potential transformers of 220 kv bus with new 220 kv potential transformers (mehru make) at 220 kv ss kodur

Replacement of 3 sets of 132kv isolators, 6no. 132kv cts and 6no. 132kv pts at 50mva, 132/33kv grid substation katra

For replacement of existing damaged/defective, old and obsolete 66 kv cts and pts with supply testing and commissioning of new 66 kv cts and pts of 66 kv gss ind. area phase 1 and phase 2 chandigarh

Spray painting work of 220/132 kv and 33kv cts, pts and junction boxes, isolator boxes and various structures at 220 kv ss mainpuri under etd mainpuri

Spray painting works of 132 kv and 33 kv cts, pts, junction boxes, isolator at 132 kv s/s aligarh-iii and iglas under etd-i, aligarh.

Ttps es em iii annual and quarterly maintenance in the 230 kv sf6 breaker isolators las cvt cc wave trappers wbcts wall through bushing main bus iv v pts and cts and transfer bus etc in 230 kv indoor switch yard ii of unit iv v for the year 20