is a scientific approach to problem solving for executive management.Ĥ. is an aid for the executive in making his decision by providing him with the needed quantitative information based on the scientific method of analysis. Operation Research is the application of scientific methods, techniques and tools to problems involving the operation of a system so as to provide those in control of the system with optimum solution to the problem. TELCO, DCM, CSIR, STC, BHEL, SAIL, ONGC etc. Some of the Indian organizations, using OR techniques are : Airlines, Railways, Defense Organizations, Fertilizer Corporation of India, Hindustan Steel Ltd., TaTa Iron and Steel Co. In the Industrial Sector, organized industries in India are becoming conscious of the role of operations research and a good number of them have well trained OR terms. At the same time, Institutes of Management at Kolkata and Ahmedabad introduced OR in their MBA courses. course on OR was started by Delhi University in 1963. Operation Research Society of India (ORSI) was formed in 1957 and its first conference was held in Delhi in 1959. Mahalonobis was established in 1953 in the Indian Statistical Institute, Kolkata to apply OR methods in national planning and survey. At the same time another OR was set up at the then Defense Science Laboratory to tackle the problems of stores, purchase and weapon evaluation. In India, operations research came into existence with the opening of an OR unit in 1949 at the Regional Research Laboratory in Hyderabad. Today service organizations such as airlines, railways, hospitals, libraries and banks employ OR to improve their efficiency. During the 1950s educational institutions introduced OR in their curricula. After the war military OR group scientists tried to apply OR techniques to civilian problems relating to business, industry and research development.
Scientists used various techniques to deal with strategic and tactical problems during the war. The term Operation Research (OR) related to military operations during the Second World War.