How to invest ₹4.5 crore retirement corpus in tax-efficient way?

Investing a ₹4.5-crore retirement corpus through a mutual fund and systematic withdrawal plan can help create steady income while reducing tax burden, as per ET. However, concentrating entire corpus in one fund carries risks. A more prudent way involves diversification across liquid funds, debt funds, equity savings funds, aggressive hybrid funds and pure equity funds, balancing risk and returns.