Change of name of my son's PPF account?

[CONFUSED]

You have to submit any of the following documents for your son -
1. Any government document like birth certificate or
2. Guarantee on 20 rupee bond paper.
Plus your douments -

1. Any document, which shows your relationship with your son (birth certificate of son)
2. PAN etc.

[Rahul]

1. Identity proof
2. Date of Birth Proof
3. Passport size photograph
4. Self Declaration that he is your son and his nick name and new name