bids are invited for repairing and welding works of various items, 1. repairing of refrigerator of icu replacement of cooling coil & gas filling 2. repairing of cold room (2no rooms) at patient galley replacement of senor (2no) contract gas filling and outdoor with service 3. repairing of micro over of psychiatric ward replacement of pcb board (control board) 4. repairing of hand grass cutting machine (2 nos)) replacement of carburetor coils bearing servicing 5. repairing of grass cutting movable machine 6. repairing of deep freezer of ships gally 7. replacement of filter & gass filling repairing of trolley wheels of icu etc.