Recurring deposit in banks vs recurring deposit in post office: Those looking to start an RD mostly tend to think about going to a bank. But it may not always be the prudent option. With the interest rate on post office RDs being increased to 6.7% for the October-December quarter, it may be worth your time to check out the features of a recurring deposit at your nearest post office. Before investing in RD, check where you will get the best deal — bank or post office?