Tenders for empanelment of ac contractors/firms for supply, installation, testing and commissioning of vrv/vrf (variable refrigerant volume / flow) system for its hostels and office building & contractors for dismantling of old central air conditioning system and supply, installation, testing, and commissioning of new vrv ac system. <br /> supply, installation, and testing & commissioning of vrf / vrv type / central air conditioning system / centrally air conditioned plant wherein 75% of the single work executed by the applicant is related to air conditioning & not related to ancillary work such as work of false ceiling.