Tender For annual routine and maintenance operation of various equipments like ei installations, vrv/vrf, access control system, flap barriers, r/o water cooler, airqualitymonitoringsystems for the year 2024-25 of defence office complex, africa avenue (a, b block) and kg marg, new delhi. (sh: annual comprehensive maintenance of access control system including flap barriers installed at doc, africa avenue and kg marg).subwork/packages:annual routine and maintenance operation of various equipments like ei installations, vrv/vrf, access control system, flap barriers, r/o water cooler, airqualitymonitoring system for the year 2024-25 of defence office complex, africa avenue (a, b block) and kg marg, new delhi. (sh: annual comprehensive maintenance of access control system including flap barriers installed at doc, africa avenue and kg marg)