Working capital management is important for every organization as it refers to the effective management of current assets and current liabilities. The aim is to make sure that the firm is capable to continue its operations and it has sufficient cash flow to satisfy both maturing short-term debt and upcoming operational expenses. In this paper, an attempt has been made to study the management of working capital in Hindustan Petroleum Corporation Limited, a leading public sector enterprise in India over a period of 10 years (That is from 2009-10 to 2018-19). The paper also attempts to study the components of working capital and analyze the relationship between liquidity and profitability of HPCL. The study is based on secondary data collected from annual report of HPCL for the past 10 years, Pearson correlation and regression model are used for this purpose. From the study it is found that there is a significant relationship between liquidity and profitability.