Hey dear friend,

U can surely take coaching forJEE MAINS afterall It depends upon ur approach towards the subject, its not that late but if u work hard den u would surely crack JEE MAINS , JEE ADVANCE can be challenging, this might be 1st option or secondly u can give JAM after BSC and can go to IIT direct for MSC .This wolud be more easy than giving JEE MAINS and JEE ADVANCE......get more information by doing a google....