E-CORRIGENDUM NO.1 Work of Replacement of 420 KV, 3150A, 50KA, 1 P SF6 CB W/O PIR WT SS, 01 Nos of 420KV CT 2000-1000-500/1A 5C 40KV WT TC CT, 01 No. of 390 KV, 10 KA MO Surge Arrestor (Stn. Class) for 105 MVA Single phase ICT-I Bay at 400KV R.S. Dn., Karad