upgradation of existing 33/11kv b&c mill ss into 110/33/11kv ss by introduction of 2x50 mva, 110/33 kv power transformers, equipment plinths, cable trench, quarry dust filling, metal spreading and other allied civil works etc supply of iron and steel materials, fabrication and erection of structures, erection of 110kv equipment’s, providing earth bore, earth mat and earth electrode, laying of 33kv cable and control cable including termination etc., for upgradation of existing b&c mill & basin bridge 33/11kv ss into 110/33/11kv ais ss with 2x50 mva, 110/33kv power transformer in chennai operation circle/south of chennai north region.