Dear student. 

Greetings. 

Since you have both maths and biology in your subjects, you are eligible to write all the entrance examinations in science stream. You can give all the engineering entrance examinations, all the state and national level examinations. Also, you are eligible to give all the medical examinations such as neet etc. If you consider changing your stream after class 12th,you can also give the commerce stream examinations such as B.Com, BBA, etc. You can also give the arts stream examinations such as history, geography etc. So, there are a lot of options to choose from. But, you should choose the one course that attracts you the most.

Thank you. 

All the best.