Tender For maintenance of electrical installation and fans, s/stn, c/ light in residential and non residential building, repair maintenance of pump set, 3x110 tr ac plant, afa system, swh system, audio and video aids and stage lighting at nacin complex sector-29 faridabad. (sh:- replacement of cooling coil and others fittings of the ahus for library building).subwork/packages:replacement of cooling coil and others fittings of the ahus for library building