New Delhi, March 25 -- The prevailing interest rate for public provident fund (PPF) is currently 7.1%, but there's a way to earn even more. Deposits made before April 5 can earn you a higher interest rate.

Therefore, investors planning to contribute to PPF for the financial year 2024-25 should aim to make deposits before April 5 to maximise returns.

Here's how this works - PPF interest is calculated on the lowest balance between the 5th of every month and the end of each month, according to the PPF scheme.

Hence, investors who make lump sum deposits in the PPF account before April 5 will earn higher returns. This would especially benefit those who make a single annual lump sum deposit.

Meanwhile, for people making monthly contribution...