e-tender/eng/eq-410/23-24 (2nd call) supply and installation of ac machine at the lab of prof nilkanta chakraborty, room no-128,1st floor, department of physiology, rajabazar science college, cu, kolkata-9. , supply , installation & commissioning of voltas/ carrier / daikin or equivalent machine 1.5 ton 3 star inverter 100% cu split ac machine including necessary cu insulation pipe & pvc drain pipe as per site condition (average length of the pipe is 25 feet) (approved by the eic) , supply , installation & commissioning of voltas/ carrier / daikin or equivalent machine 2 ton 3 star inverter 100% cu split ac machine including necessary cu insulation pipe & pvc drain pipe as per site condition (average length of the pipe is 12 feet) (approved by the eic)