With M.Bi.P.C as your stream, the world is your oyster. You can go either towards Mathematics stream like Engineering, Statistics, Astrophysics, Pharmacy, Biomedical Engineering, Biotechnical Engineering, Ceramic Engineering, Acturial Sciences or even towards Science streams like Medicine, Alternative Medicine, Fisheries, Agricultural Sciences, Psychology, Food technology, Forestry etc. CBSE has released a list of courses that a student can pursue after each stream. Please check that list at: http://cbse.nic.in/newsite/attach/Compendium%20of%20Courses%20after%20+2.pdf