ANNUAL CONTRACT FOR SUPPLY OF AIR-CONDITIONING ITEMS REQUIRED FOR MAINTENANCE PURPOSE AT INSTITUTE (NON R&D AREAS), COLONY (DISPENSARY & GUEST HOUSE) ALONG WITH FEW INSTALLATIONS AND RELOCATION OF SPLIT TYPE AC UNITS AT INSTITUTE (NON R&D AREAS), COLONY (DISPENSARY & GUEST HOUSE), CSIR-CMERI, DURGAPUR