Submit an application for name correction in Stationery department (gazette section ) in your state of living. Obtain gazette order for name & birth date corrections.
Please check the application form for the examination given, and the details mentioned by your school.
Contact your school administrative office, verify the details with originals, seek their guidance and immediately get the ceretificates modified by Board as immediaely as possible.
You should first understand the SSC Marksheet Correction Rules and apply only after that. For better understanding, you proceed to the SSC / HSC Duplicate Certificate Correction.
Nitin.