New Delhi, May 11 -- Recurring deposit (RD) is a popular savings scheme. RD comes handy as it helps to save a fixed amount each month. You can open an RD account either with a bank or a post office. The minimum amount required for opening a post office RD is Rs.10 per month, or any amount in multiples of Rs.5 but the tenure of investment is five years. You can open an RD account by visiting the nearest post office. An RD account in a post office can be opened by cash only. Now, with the launch of India Post Payments Bank (IPPB), the monthly installment of RD amount can be transferred online into your RD account. You need to visit the post office just once for opening the RD account after which you can manage everything through the IPPB app on your mobile....