BBOSE is a government-recognized valid institution.its recognition is the same as that of other general or regular boards or considered equivalent to the CBSE ICSE and other state boards.ofcourse it is valid for passport which is used as a supporting document or proof of date of birth if no other documents are available.

Also,you can use these documents for birth proof Birth certificate, School leaving certificate, SSLC certificate, and Policy bond issued by a public life insurance etc. company