work of 1) bus strengthening from single panther conductor to twin zebra conductor approved under r&m 2020-21 at 66 kv subhanpura s/s , 2) re-arrangement of various 66kv line bays, erection of middle cpb-3 with erection of sectional isolator, shifting of existing 20mva tr-4 transformer & 66kv pt bay under approved special work r & m plan 2023-24 at 66 kv subhanpura s/s 3) mesh type earthing with 40ka design at 66kv subhanpura s/s & 66kv vidyutnagar s/s as approved under r&m 2025-26 under gotri