I Replacement Of Single Tension Hardware With Double Tension Hardware Between Loc No.14r+3 And 15 C+6 Of 132kv Narsapur 400kv-gummadidala I And Ii Line. Iisupply Of Caution Boards For Above 132kv Line Towers Iii Supply Of Circuit Name Boards For 400kv Narsapur-shankarpally And Gajwel Line.