The government through the Banking Companies (Acquisition and Transfer of Undertakings) Ordinance, 1969 and nationalised the 14 largest commercial banks on 19 July 1969. These lenders held over 80 per cent bank deposits in the country. Soon, the parliament passed the Banking Companies (Acquisition and Transfer of Undertaking) Bill, and it received presidential approval on 9 August 1969.
The banks that were nationalised included Allahabad Bank, Bank of Baroda, Bank of India, Bank of Maharashtra, Central Bank of India, Canara Bank, Dena Bank, Indian Bank, Indian Overseas Bank, Punjab National Bank, Syndicate Bank, UCO Bank, Union Bank and United Bank of India. Thereafter, in 1980, six more banks that were nationalised included Punjab and Sind Bank, Vijaya Bank, Oriental Bank of India, Corporate Bank, Andhra Bank and New Bank of India.