How much should a 30-year-old invest in NPS to get a monthly pension of ₹2 lakh?

A 30-year-old should start contributing ₹15,500 per month towards the National Pension System (NPS) in order to earn a monthly pension of more than ₹2 lakh after retirement, according to Financial Express. The calculation is based on 35 years of investment into the NPS until the person reaches 65 years of age, 12% annual return rate, and 6% annuity rate.