A PPF account can be opened in any SBI Bank or its subsidiaries. The application form for opening a PPF account with SBI is available at the official website of the bank which is http://www.statebankofindia.com/ . As soon as you open an account there is a facility of operating the account online. You just need to give an application in your nearest SBI branch or its subsidiary bank branch to link the PPF account to your bank account. For this purpose your bank account must have online banking facility activated.