Laddering - Suppose you have 3 lakhs. You can invest Rs 1 lakh in 1-year FD at 8.55%, Rs 1 lakh in 2-year FD at 8.65%, and Rs 1 lakh in 3-year FD at 8.5%. Then, you can reinvest maturing FDs in fresh 3-year FDs. A great way to earn higher interest rates without long lock-in periods.