The Atal Pension Yojana (APY) is a social security initiative regulated by the Pension Fund Regulatory and Development Authority in India, aimed at providing a guaranteed monthly pension to citizens upon reaching retirement age of 60. Eligible participants must be between the ages of 18 and 40, and contributions are auto-debited from their savings accounts. The required monthly contribution varies significantly based on the age at which a subscriber joins the scheme. For example, a subscriber aged 18 can contribute as little as ₹42 per month to secure a ₹1,000 monthly pension at retirement, while a 40-year-old would need to contribute ₹291 per month for the same benefit. The contributions increase with age, reflecting the shorter vesting period until retirement. Additionally, if a subscriber passes away before age 60, their spouse can continue to contribute and later receive the pension. The scheme aims to encourage savings for retirement among Indian citizens, ensuring financial security in old age.