COMPREHENSIVE MAINT OF DG SETS, AMF PANELS AND REPAIR REPLACEMENT OF UNSV STREETS LIGHT, PERIMETER LIGHT, TIMER PANELS, POLE BOX AND HIGH MAST LED FLOOD LIGHT, STREET LIGHT, FASCAD LIGHT DRIVERS AND NEW OPD AT BHDC UNDER GE (EAST) DELHI CANTT-10 (Tender №87881889)