Replacement Of Age Old Porcelain Disc Insulators With New 220Kv, 120Kn Src Insulators In 220Kv Ongole-Podili Dc Feeder At All Tension Towers Between Loc.22 To 73, 73/12 To 220Kv Boom At 220Kvss Podili To Avoid Flashover Of Disc Insulators In Eht Lines Sub-Division/Ongole In Prakasam District Under Rmi 2025-26 Scheme.