sir, mera dost railway me job karta hai. 12th BSEB se science se kiya hai. aur ab job me rahte huye BBOSE se arts se 12th karna chahta hai. kya vo kar sakta hai? Agar ha to kya uska course valid hoga? kya dono cource valid rahega ya koi ek? agar koi ek to kaun wala?

This needs careful distinction. If your friend has already passed Class 12 Science from BSEB, he should not assume that doing another complete Class 12 Arts qualification through BBOSE automatically makes the second certificate invalid. Open schooling is designed to provide flexible educational opportunities, including for people who are working. However, the critical question is why he wants the second Class 12 qualification. If he wants Arts subjects for further education A second senior-secondary qualification can sometimes be useful when a university requires particular subjects.

For example, if he wants admission to a course requiring:

• History
• Political Science
• Sociology
• Economics

he should first check whether the target university accepts the BBOSE subject combination. Will his BSEB Science certificate become invalid? No.

Passing another recognised senior-secondary programme does not normally erase the fact that he already passed Class 12 Science.

He would have:

BSEB Class XII Science certificate and potentially BBOSE Senior Secondary certificate, subject to BBOSE's admission/eligibility rules. The important issue is whether a particular university, recruitment authority, government department or employer accepts the second qualification for the specific purpose.

For a Railway employee

Being employed in Railways does not by itself prevent him from pursuing education through an open-school system. But if he is a serving employee, he should also check whether his particular Railway zone/department requires prior permission/intimation for pursuing another qualification.