P rovident Fund Holder if you holding a pf account you have to know what is UAN number? UAN - Universal A ccount Number allotted by the epfo- Employees' Provident Fund Organisation. your all data of service store in uan account. all service of provident fund now in online aadhar card based . if you want apply for provident fund you have to must hold valid aadhar card and bank cancel cheque. find below link for epfo service https://www.epfindia.gov.in/ // for more epfo related query join us //