Corporate social responsibility practice of every organization can make the nation safe, secure and progressive. High net-worth individuals and corporate should join their hands with government to establish an ideal and developed state. Karnataka Bank Ltd (KBL) is only private bank which is originated from Karnataka and extended its operation across the India. KBL is the first largest private sector bank and the fifth largest commercial bank in terms of number of branches operating in Karnataka. The lines appeared in the preamble of the CSR policies of KBL reveals a positive view point towards society and CSR, the lines are as "........ We believe in the principle of sharing the earnings..." Profit sharing with the stakeholders is base for CSR which addresses the social problems. The main objective of the study is to review the CSR practices and reporting by KBL in Karnataka. This study is based on secondary data, which was analyzed by using simple percentage, Karl-Pearson Correlation and two tail t-test, have been adopted to analyze the data. Finally, the study concludes with some observation that, there is no significant relationship between number of branches operating and reporting of CSR expenditure in KBL. Education & skill development, environmental sustainability and healthcare are main areas where KBL reported its most of CSR practices in Karnataka State. The lion portion of CSR reporting has noticed in Dakshina Kannada District which is home-district of KBL. There are some other area where KBL has more opportunity to address social issues like reducing inequalities, promotion of sports, protection of heritage / culture and rural development etc.