Work Of Replacement Of Silicone Rubber Insulator (Sri) By Silicon Rubber Insulator (Sri) For Multi Circuit 220Kv Sarigam Lilo Line. (1) 220Kv Vapi-Sarigam Line, (2) 22Kv Sarigam Tarapur Line, (3) 220Kv Bhilad Sarigam Line -1 & (4) 220Kv Bhilad Sarigam Line -2.