Establishment Of New 33/11 Kv Outdoor Substation At Vallam In Kongarapattu Village With 2X8 Mva Power Transformer Electrical Works Only In Villupuram Edc In Villupuram Region Of Tnpdcl Under Total Turnkey Basis. Establishment Of New 33/11 Kv Outdoor Substation At Vallam In Kongarapattu Village With 2X8 Mva Power Transformer Electrical Works Only In Villupuram Edc In Villupuram Region Of Tnpdcl Under Total Turnkey Basis