The Old Pension Scheme (OPS) in India was abolished as part of pension reforms by the Union Government.
Repealed from 1 January 2004, it had a defined-benefit (DB) pension of half the Last Pay Drawn (LPD) at the time of retirement, along with components like Dearness Allowances (DA), etc.
OPS was an unfunded pension scheme financed on a pay-as-you-go (PAYG) basis in which current revenues of the government funded the pension benefit for its retired employees.
The Old Pension Scheme was replaced by a restructured defined-contribution (DC) pension scheme called the National Pension System.
The National Pension System (NPS) is a defined-contribution pension system in India, regulated by the Pension Fund Regulatory and Development Authority (PFRDA)
The NPS started with the decision of the Government of India to stop defined benefit pensions for all its employees who joined after 1 January 2004.
NPS is a market-linked annuity product.
The Contributory Pension Scheme (CPS) was started in Tamil Nadu for those who joined service on or after April 1, 2003
The contributory pension scheme is a retirement savings plan where both the employee and employer (or government/scheme provider) contribute funds regularly, often as a percentage of salary, into an individual account, with the final pension amount depending on total contributions and investment growth.
As of January 2026, the Tamil Nadu government has transitioned from the standard Contributory Pension Scheme (CPS) to the newly announced Tamil Nadu Assured Pension Scheme (TAPS).
The Unified Pension Scheme (UPS), introduced by the Government of India in 2024 as an optional pension scheme along with the National Pension System (NPS) for the Central government employees.
UPS operates within the existing NPS architecture regulated by the Pension Fund Regulatory and Development Authority (PFRDA) and applies to both serving and retired employees under specific conditions.