B.Sc

It depends upon which course you want to pursue in mathematics. See, different IITs provide different Master's programs in mathematics. So you have to check the eligibility required for each of it. To check the eligibility criteria you can visit: https://www.eduncle.com/iit-jam-exam

Go to any engineering field by perusing AMIE or M.Sc in elex.

With 92%, you can get into top colleges like IIMS. Apart from it, there are a lot of colleges where you can get admission for MBA. The colleges in tier 2 and tier 3 are easily possible. Some of the best campuses are as follows: Acharya, RVIM, MSRIM Adarsh, AIMIT, Community Institute of Management Studies, Alliance, Sambhram, Presidency, St. Johns, St. Aloysius, DC School of Management, Koshys Group of Institutions, SCMS, Marthoma, Hindustan, Sri Krishna, IBMR, IBS, ISME, IZEE. Best of luck!

Zoology is under life science so you can give exam of the entrance of BHU, JNU, HYU, DU, and any exam universities and if you have interested in biotechnology, you can give exam of IIT JAM TIFR, JNU CBEE, etc.

Hello,
Yes, you can go with B.Sc in Zoology only if you have biology as a subject in class 12 with atleast 45% marks. You can't choose physics as optional subject in your undergraduate programme.