The document discusses the primary and secondary functions of commercial banks. The primary functions are accepting deposits, advancing loans, credit creation, and investing funds. Accepting deposits includes savings, current, and fixed deposit accounts. Advancing loans includes cash credit, overdrafts, demand loans, and bill discounting. Secondary functions include agency services like fund transfers, collections, and foreign exchange; as well as general utility services like lockers, travelers checks, and credit information. The top 15 commercial banks in India are also listed.