The role of Public Sector Undertakings (PSUs) in the growth and development of Indian Economy never be overemphasized. PSUs have been played very significant role in designing diversified industrial base in India. As new industrial policy announced in 1991, Indian company have to face competition at global level. For that additional power given to some mega Central Public Sector Undertakings (CPSUs). In October, 2021 maharatna status given to Power Finance Corporation Limited. The present study have been made in order to evaluate the financial performance of Power Finance Corporation Ltd. from 2016-17 to 2020-21. For analyzing the data financial ratios and some statistical tools such as percentage, mean and correlation used. It is found in the study that 1. The relationship between Gross Profit and Sales of PFC is significant. 2. The relationship between Net Profit and Sales of PFC is significant. 3. The relationship between Net Income and Total Assets of PFC is significant. 4. There is a significant relationship between Earnings before Interest & Tax and Capital Employed of Power Finance Corporation Limited.