People invest in FDs because they are one of the safest investment products that are also the simplest to understand, and for the same reasons, senior citizens also like them very much. The interest in an FD investment remains the same for the entire investment period. But how does a fall in the interest rate impact an investor when the interest rate doesn’t change? Change in the interest rate impacts such investors who plan to make a new investment in the FDs or those whose FD investments are about to mature after the reduction in the interest rate, and they want to renew the maturity corpus. Here’s what FD investor can do to reduce the impact of a cut in interest rates.