B.pharm

65% of marks is enough to get B. Pharma seat.

If you don't want to give maths paper then, I would suggest you go for B.Pharma.

Admissions are made through counseling based on rank obtained in JEE Advanced. For further information regarding this course please refer to the link provided below:
https://www.shiksha.com/medicine-health-sciences/pharmacy/course/b-pharma-guru-nanak-institute-of-pharmaceutical-science-and-technology

Yes, you can pursue criminology after your graduation. You need to graduate in any stream with minimum 50% marks in aggregate. You can then apply for 3-year LLL course or 5-year integrated course.

To go into marketing field, it is not necessary to do medical representative course instead you can pursue MBA in marketing from a reputed institute so that you can get relevant jobs. Else you can also go for MBA in healthcare or hospital management.

For this answer, I would suggest you to contact the college authorities. You will get a particular response from there.
http://www.banasthali.org/banasthali/wcms/en/home/lower-menu/contact_us/index.html
You can go through this link.

Hi,
The eligibility for admission in B.Pharm in Dibrugarh University:
HS (with PCB combination)
Method of selection:
On Merit basis (HS/D.Pharm)
Please refer the link below for your reference:
https://www.dibru.ac.in/images/notification/new/DU_infor_brochure_2015.pdf