The National Pension System (NPS) is a government-regulated voluntary retirement savings scheme in many countries, including India. It aims to provide citizens with a sustainable source of income during their post-retirement years. Participants contribute a portion of their income to individual pension accounts managed by pension fund managers. These contributions are invested in a diversified portfolio of assets, including stocks, bonds, and government securities. NPS offers flexibility in choosing investment options and fund managers. Upon retirement, participants can withdraw a portion of the accumulated corpus as a lump sum and use the remaining amount to purchase an annuity, which provides a regular pension. NPS encourages long-term savings, tax benefits, and a secure retirement for individuals in a structured and regulated manner.