Tender For supply, erection, testing and commissioning of 220 kv switching station with 2 nos feeder bays and 1 no 220 kv metering bay at m/s indosol solar private limited near karedu 220 kv dc line 11 km from the existing 220 kv ss kandukur to proposed 220 kv switching station at m/s indosol solar private limited near karedu and 2 nos 220 kv bays at 220 kv ss kandukur in spsr nellore district on turnkey basis