One is not allowed to open more than one Public Provident Fund (PPF) account in his or her name. One can open a PPF account in a bank or at a post office, but only one account can be held in one’s own name. If there is more than one PPF account, one of them has to be closed. The government has recently released rules and Standard Operating Procedure (SOP) for dealing with cases of amalgamation of PPF accounts.
Whenever any depositor has opened more than one PPF account, the second and subsequent accounts opened are treated as irregular, as an individual can open only one single account under the PPF Scheme.
When more than one PPF account is held by an individual with one or more operating agencies (Operating agencies means Department of Posts
Read more on financialexpress.com