In the absence of UAN number, it shall be difficult for you to claim PF digitally (that is through ONLINE). Better you apply off-line mode. Fill up Composite Claim Form (Non-Aadhaar) in Form No.19, Attach copy of Bank passbook and photocopy of your Aadhar card (both self-attested) and
also attach a cancelled cheque leaf alongwith the claim form. The claim form should be counter-signed by the Employer where s/he worked last. You can submit these to PF office and within one week, admissible PF F&F amount shall be credited to the Bank account.