REPAIR/ MAINT AND SERVICING OF 2x110 TR CHILLER TYPE PLANT OF (MAKE- DAIKIN) AND PROVISION OF TWO NOs CHEMICAL EARTHING FOR SERVER ROOM (R-213 AND R-137) AT DPL COMPLEX, ARC MAYUR VIHAR (RESTRICTED AREA) UNDER GE (SOUTH WEST) NEW DELHI-03 (投標 №95441057cn)