The PF Details of individuals can be tracked through online using the following url:
http://www.epfindia.com/RegSites.html
The site in the above url contains the links to the PF offices at different states in India.
For Example, Karnataka ( Bangalore ) state PF information can be found in the http://www.epfbng.kar.nic.in/
If you want to know your PF status, then click on the " Know Your Claim Status" tab, which redirects to a new page . Enter the required details like PF Branch Office, Establishment Code , Extension code, and the employee number. The last three details can be found from your PF account number provided by your organization.
For example, if your PF number from your current organization is : KN/23534/611 then 23534 is the establishment code and the 611 is the employee number
