Yes, you will receive a refund if your FD isn’t booked within 15 days.
You will receive a refund of the principal amount along with the interest rate equal to the 12 month ROI under the cumulative scheme.
Here are two cases when your money will be refunded:
If deposits of the customer are put on hold due to reasons like (incomplete documents, blurred documents, incomplete bank details, etc.)
If we receive the deposit amount directly (through UPI, Net Banking, NEFT)
However, there shall be no refund in case of deposits not booked due to technical errors.