Recurring Deposit ( RD ) means a bank account that deposits a fixed amount & locks in funds for a set period. It's a safe finance feature for short-term goals. What Should You Know About RD Interest Rates? RD full form is Recurring Deposit, which is a risk-free investment and one of the most popular investments available. You earn interest on the invested sum as per the interest rates offered by the banks. RD stands for Recurring Deposit, a type of savings account that lets you deposit a fixed amount each month and earn interest. Learn how to open an RD account online or offline with HDFC Bank and the advantages of this investment option.