Step 1: Obtain 'Birth Certificate Update/correction Form' the municipal corporation office or gram panchayat where your child took birth.
Step 2: Obtain an affidavit from local notary and approach the officer regarding change of name in the birth certificate. Make an affidavit on a non-judicial stamp paper of minimal and mention the reason of name change.
Step 3: Fill the correction form and submit it to the municipal corporation along with affidavit or certified copy with judge original signature.
Step 4: After the completion of the application process, publish the advertisement in the local newspaper and your state official Gazette publication.
Regards,
Anaita Vas