Refrigeration and Air-conditioning accounts for a significant portion of the energy consumption in many manufacturing industries (like chemicals, pharmaceuticals, dairy, food etc.), agricultural & horticultural sectors (mainly cold stores) and commercial buildings (like hotels, hospitals, offices, airports, theatres, auditoria, multiplexes, data processing centers, telecom switching exchanges etc).Bureau of Energy Efficiency, (under Ministry of Power, Government of India) Hall no.4, 2nd Floor, NBCC Tower, Bhikaji Cama Place, New Delhi – 110066. Indian Renewable Energy Development Agency, Core 4A, East Court, 1st Floor, India Habitat Centre, Lodhi Road, New Delhi – 110003. By Devki Energy Consultancy Pvt. Ltd., 405, Ivory Terrace, R.C. Dutt Road, Vadodara – 390007, India.