This paper discusses the estimation of cost function for all industries throughout India at current as well as constant prices. The data from ASI and CIM have been used for the period 1981-82 to 2017-18. The cost function model seems to be fitted at current as well as at constant prices. Estimated cost can be utilized for further cost forecast for a certain period.

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Keywords: Cost Function, Industrial Sector, Constant Prices, Regression.