ET Wealth Reader's Query: My nephew will have a corpus of Rs 1.6 crore by September 2027, when he turns 27. Due to health issues, he does not wish to continue working after that. Assuming a 4% annual inflation rate, a bank FD return of 6% on the corpus, a life expectancy of 75 years, and monthly expenses of Rs. 65,000, would this amount suffice to maintain his lifestyle?