Since last few years the companies are more interested in social responsibility, known as corporate social responsibility. The main objective of any business is to earn profit and wealth creation. Creating wealth is the primary objective now a day, for this company need to incur some expenses which have impact on its financial performances. Taking this in mind, the objective of the study is to find the relation between CSR and its financial performance by taking variable like net profit, total asset, earning per share. Secondary source has been used for data collection. The correlation and regression is used for analysis of the data. The study shows that BPCL and HPCL are having positive effect on all the parameters as compared to other companies. RIL earned more profits, more valuable assets and more earning per share as compared to other companies but having not much positive impact on its CSR.