What is the full form of OPS ? The full form of OPS is the Old Pension Scheme, which was introduced by the Indian government in the year 1995. The aim of the OPS was to provide financial security to government employees after their retirement. In this article, we will discuss the history, applications, advantages, disadvantages, and future outlook of the Old Pension Scheme. Compare UPS, NPS, and OPS schemes in India for 2025. Get insights on benefits, eligibility, returns, and which pension plan suits your long-term financial goals. The Narendra Modi-led government has combined the best features of both the Old Pension Scheme and New Pension Scheme to roll out the Unified Pension Scheme In 2004, the National Pension System (NPS) replaced OPS for government employees. It was extended in 2009 to cover private-sector employees, self-employed individuals, and NRIs.