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It is necessary for the system operators and regulators to manage ancillary services efficiently to maintain reliability of the system. Frequency regulation is one of the ancillary services to be supplied by the electricity market participants. The only way to regulate frequency is to maintain the balance between demand and supply in real time. In India, it is achieved through a regulatory approach. In this paper, an investigation is made on prevailing mechanism to demonstrate the pros and cons. The analysis has been carried with the data available from Northern Regional Load Dispatch Center.