supply, installation, testing & commissioning of 01 (one) no oil-injected type screw compressor with refrigerated air dryer on buy back basis 01 (one) no elgi ts03 reciprocating compressor at birla industrial & technological museum, 19a, gurusaday road, kolkata - 700019 (west bengal); 1 cat (a) -items to be supply and installation 2 supply, installation, testing & commissioning of 01 (one) no oil-injected type screw compressor with refrigerated air dryerat birla industrial & technological museum, 19a, gurusaday road, kolkata - 700019 (west bengal)as per technical specification ofannexure c of the tender documents 3 cat (b) - buy back items 4 buy-back (ie minus) amount of elgi ts03 reciprocating compressor, tank capacity : 160 ltrs, un-serviceable as per annexure cof the tender documents 5 buy-back (ie minus) amount of p-iv pc with monitors, keyboard & mouse as per annexure c, sr. no. 2 6 buy-back (ie minus) amount of dual core processor pc with monitors, keyboard & mouse as per annexure c, sr. no. 3