Improvement and modification of existing control room for accommodating control panels, installation of 110 v batteries, construction of cable ducts, water supply to earth pits in Kolakudy 33 / 11 kV SS. Improvement and modification of existing control room for accommodating control panels, installation of 110 v batteries, construction of cable ducts, water supply to earth pits in Kolakudy 33 / 11 kV SS.