New Delhi, July 3 -- One of the most common questions in retirement planning is that how much money is enough to retire comfortably after 60 years of age. While many people start with a target monthly expense, financial advisors say the amount you need depends not just on your current lifestyle, but also on how your expenses are likely to change after retirement, inflation, life expectancy, and the returns your investments can generate by that time.

Let's assume a family's current monthly expenses are Rs.1 lakh, of which Rs.30,000 goes toward child-related expenses that will cease after retirement and only one person is the sole bread-winner of the house. Ideally, the family would require anywhere between Rs.50,000- Rs.70,000 to maintain...