The Pension funds or Employee Pension Fund are part of Provident Fund scheme which is made by allocating 8.33% of your employer's contribution. These funds can be withdrawn in the following circumstances :-
1) Superannuation: Age 58 years or More and atleast 10 years of service -The member can continue in service while receiving this pension.On attaining 58 Years of age, a EPF member cease to be a member of EPS automatically.
2) Before superannuation or Retiring Pension/Early Pension: Age between 50 and 58 years and atleast ten years of service, The member should not be in service.
3) In case of Death or Permanent Disablement.
So see if you are covered in these criteria. For more see the website below.