Replacement Of Badly Rusted Cross Arms At Loc No 7, 8, 9, 10, 11 & 12 In 220Kv Kalapaka-Vss Dc Line And Locno 14 In 220Kv Kalapaka-Simhachalam Dc Line Pertaining To Lines -Division 400Kv Ss Kalapaka Visakhapatnam