One of the common asked question on this website on different sections on checking PPF account balance online. So, here is a solution for that.
Click on the link at http://epfoservices.in/epfo/member_balance/member_balance_office_select.php
You will get the screen like this:
Select the EPFO office where your account is maintained and furnish your PF Account number.
Leave the extension field blank, in case your account does not have one.
You will be asked to enter your name and mobile number. The given mobile number will be recorded along with the PF Account Number.
On successful submission of above information, the details will be sent through SMS to the given mobile number.