National Pension Scheme or New Pension scheme is a pension plan offered by the government. Investment in this scheme is via debt and equity market. The invested amount is locked until retirement. At retirement age, you can withdraw 60% of the maturity amount while the balance 40% must be invested in annuity. The maturity amount is taxable. The NPS is regulated by the PFRDA and fund management is by designated fund managers from the private and public sector. NPS has the lowest charges.