A PPF account is a government sponsored savings and investment scheme, created for the benefit of the citizens of India. It is a secure route to accumulate wealth, as well as qualify for tax benefits. A PPF account is opened with designated banks or post offices, with an investment range from a minimum of Rs 500 to a maximum of Rs 1. 5 lakhs. The account has a lock in period of 15 years, and the interest rate is declared by the Government of India every quarter, and currently stands at 7. 1% P. A yearly compounded rate of return. Partial withdrawals, loans, and extension of 5 years are also possible under rules.