PPF scheme in India is a popular savings investment option among the investors. PPF scheme is a long term savings scheme with the aim to provide security on retirement to its subscribers. For an Indian citizen who wants to secure his/ her retirement and wishes to invest in a long term plan, PPF is a good option to invest. The amount invested in a PPF account is tax-exempt, the interest earned and maturity amount is tax-free. The PPF interest rate is regulated by the Government of India every quarter making the investment of low risk.