Investing in PPF is a good starting point for your investments, but hastily allocating all your savings to it each year or prioritising it over other potentially better investment options could be detrimental in the long run.
ELSS is a type of mutual fund that offers tax deduction up to Rs 1.5 lakh per year. They have the shortest lock-in period of three years among all investment options under section 80C of the Income Tax Act