The OPS is a defined benefit pension scheme, meaning that the amount of pension received by an employee after retirement is predetermined based on their salary and length of service. What is the full form of OPS ? - Office of Public Safety - The Office of Public Safety ( OPS ) is a US government agency, established in 1957 by US President Dwi Discover the distinction between OPS and NPS. OPS full form is Old Pension Scheme, while NPS stands for New Pension Scheme. Learn about eligibility, pension calculation, contributions, tax benefits, and investment opportunities. OPS is the full form of Old Pension Scheme, a defined benefit plan that guaranteed a fixed pension to government employees. Learn about the advantages, disadvantages and changes of OPS compared to NPS and UPS.