The most reliable way to calculate your pension is to use the official utility provided by the EPFO. You can find and download it through the following steps:
Navigating the EPS 95 higher pension scheme can be complex, especially when trying to estimate your future monthly payouts and the lump sum you'll need to transfer from your EPF corpus. To simplify this, the has released an official Excel-based calculator to help members estimate their dues and potential pension benefits.
Monthly Pension=Pensionable Salary×Pensionable Service70Monthly Pension equals the fraction with numerator Pensionable Salary cross Pensionable Service and denominator 70 end-fraction