bids are invited for custom bid for services - annual rate contract (arc)/ service contract for split ac/hvac maintenance at gdu duliajan for 2 years operation and maintenance of hvac system (heating, ventilation and air conditioning system) operation and maintenance of hvac system (heating, ventilation and air conditioning system) vvip cab and taxi hiring service-short term hiring of air conditioners and desert coolers -monthly based hiring of air conditioners and desert coolers -event based annual maintenance service-air conditioner annual maintenance service for centralised air conditioning system monthly basis cab and taxi hiring service -without fuel repair, maintenance, and installation of plant/systems/equipments (version 2) bus hiring service - short term vehicle hiring service - per vehicle-day basis total quantity :