maintenance of electrical installation & fans and repair maintenance of drinking water supply pump set, air conditioner equipments, water cooler along with ro system, ups system, cctv surveillance system, pa system and dg set installed at 6 flag staff road camp office cum residence of hon’ble cm, delhi. 2 ) maintenance of electrical installation and fans, pump sets, compound light and rmo drinking water supply pump sets, dg sets, ac equipments, water coolers, ro systems, desert coolers, wifi system & miscellaneous installations installed in 4 nos minister bungalows at 8-raj niwas marg & 2 nos minister bungalows at 3 attur rehman lane, delhi. ( sh:-annual comprehensive maintenance of cctv surveillance system. )