If I do photography course then how i,ll get a job and can I do that course after 10 or 12 coz I'm good in photography and computer.

Don't get confused and don't rush, complete your studies, if you're good in computers go for BCA as graduation along with a short-term course in photography. Once you'll be a graduate photographer, you can apply for a job in magazines or newspapers as a photojournalist. So, go with the flow, you'll