Hello aspirant

Gazzete certificate is required when you had made  changes in name or surname.  Yes yes will have to  upload this document too .

SSLC is not required while  applying for neet. It is secondary school leaving certificate .

Following documents you will need for neet application process .

Your passport size photo

Post card size photo

Signature

Left and right thumb impressions

Class x passing certificate

Class x marksheet

Class xii marksheet

PWD certificate

Class certificate ( st/ sc/ obc)

Citizenship certificate

Valid e mail address

Your ID proof

Domicile certificate

Aadhar card

Birth certificate

You may visit the link given below

https://medicine.careers360.com/articles/neet-documents-required