Certificate

Yes. Candidates can use either their birth certificate or class X certificate to apply for JEE Advanced. Any one of them can be used as age proof in JEE Advanced registrations.

Yes, students get a certificate of completion after completing each course. Even after attending workshop, students will get a certificate of completion. 

One must start writing a letter for bonafide certificate by mentioning the name of the organisation and the name of the recipient at the top. Follow by writing a concise request to grant you/your ward a bonafide certificate. Mention your reason as to why you need a bonafide certificate for yourself or your ward clearly and then close your bonafide application letter with brief regards. Attach necessary supporting documents such as fee receipts, college/school ID, and semester marksheets with your bonafide applications.