1 Cost For 3.3 Kv, 10A Restricted Neutral Grounding System For 3 Mva, 6.6 Kv/3.3 Kv, Make-Bharat Bijli, Sl.No.2469/3 Transformer At Kantapahri, Akwmc, Under Katras Area, 2 Cost For 6.6 Kv, 10A Restricted Neutral Grounding System For 5-7.5 Mva