The AMC of Ingersoll Rand Air Compressor Model No.234 of EHV circuit breaker at 220KV Ambazari Sub-station, 220KV Butibori - I Sub-Station, 220KV Kalmeshwar Sub-Station, 220KV Kanhan Sub-Station, 220KV Khaperkheda Sub-Station, under EHV (O&M) Dn. MSETCL, Nagpur