System Improvement Project For Survey, Design, Supply, Installation, Commissioning Of 1no. 33/11kv Outdoor Sub-station With Its Connected 33kv And 11kv Lines At Yellanti In Nellore Rural Constituency Of Nellore Circle On Semi - Turnkey Basis Ptr, Dtr And Vcbs Are Dept. Supply Under T And D Improvements. 33/11kv Outdoor Substations