Banking can be defined as accepting deposits from customers and lending money in order to earn a profit. The main functions of banks are accepting deposits and lending loans. Deposit products include fixed deposits, current accounts, savings accounts, and recurring deposits. Loan products include call loans, short term loans, medium term loans, long term loans, overdrafts, cash credits, and bills of exchange. In addition to these primary functions, banks also provide secondary financial services like merchant banking, leasing, mutual funds, venture capital, ATMs, telebanking, credit cards, locker services, underwriting, and more.