Strengthjening of earthing for maintaining proper grid stability by digging 40mm dia MS rods in 3m depth and laying of 75X8mm, 100X16mm MS flat in place of 28 years age old earth mat in 220KV switch yard and 39 years old earth mat in 132KV Switch yard and 33KV switch yard and providing new earth pits whereever needed and replacement of completely damaged water pipeline of the earth pits and fire fighting water pipe line arrangement at 220KV Kakinaad SS under RMI 22-23