I passed 12th in PCB.but I want to do economics for graduation.Will I be able to appear for maths in boards as an additional subject? If yes
Yes you can appear for Mathematics within same uear by selecting Maths as additional subject
However this will vary for all colleges as they have their won set of policies.
You need to contact college officers regarding same for eligibility criteria.
For Economics you can take up BA Hons course for Economics related streams.