Design, Supply, Installation, Testing and Commissioning ( DSITC ) of 160 KWp ( 4 Nos X 15 KWp + 2 Nos. X 50 KWp ) Roof Top Grid Interactive SPV based Solar Power Systems ( Mono PERC ) in Main Office Building, Additional Office Building, Bank’s ALSQ, ARSQ, TRSQ & BTOQ at Nagpur