Refurbishment And Upgradation Of Existing Old Sytem Including, Supply, Delivery,Erection, Testing And Commissioning Of 6.6 Kv Ht Panels At Kalabgoor And 3.3 Kv Ht Panels At Patancheru, Phase Ii, Pumping Stations And Repairing And Reconditioning Of Non Return Valves, Supply And Fixing Of Bf Valves Along With Accesspries Etc Under Mdwss, Phase Ii, Iii Iv Under Electrical Division, S.R.Nagar, Hyderabad