How To Get PF Refund For The Nominees Of An Employee (employee Expired)?

The employee has expired 4 years back. And the organisation/company he worked also closed.
How the nominee (wife of an employee) can get the PF refund? Could any one help me with the procedure to get PF refund.
Regards,
Palaniandavar.S.

Dear Palaniandavars
For claiming PF withdrawl benefits & Pension you have to fill up Form No 20 & 10D. For submission of Form 20 & 10D you have to attach Original Death Certificate & Nomination certificate & List of surviewing members of diseased person with the forms. As regards Authorised signature on PF Forms- Govt gazeted Officer say Tahsildar /collector/ CEO of Govt corporation etc. can sign on these forms SDP