supplying, installation and commissioning of 3nos. 2ton split type 3star 100 percent copper inverter type room air conditioner machine in the annual accounts section, 3rd floor, centenary building, college street campus c.u. , supplying of new 2ton split type 3star (100%copper) adjustable inverter type with dust filter, anti bacterial coating, dehumidifier room air conditioner machine with high iseer, make-panasonic/carrier/voltas or equivalent make. , installation with fitting, fixing & commissioning of the above machine along with supplying of angle iron frames/angle iron platform, electrical chord, extra copper pipes etc as required including insulation & drain pipe upto the nearest spout of drain of the building etc all complete. (position of the outdoor unit will be mentioned by the authority during executing the work.) , less: buy back of the old non functional room air conditioner machine.