Science

Yes, you can pursue a degree in biotechnology.

B.Sc+M.Sc+Ph.D (BT) is a science stream course available in all major arts and science colleges whereas B.E. / B.Tech. +M.Tech+Ph.D. (BT) is an engineering course (more applied) which is to be pursued in an engineering college/ technical university. Career prospects are different. Option: 2nd is better, but costlier than the earlier one.

No, it is impossible. You have to get good rank in AUCET. So that you will get admission based on counselling process. Your percentage does not matter, your AUCET rank matters though.

Hi,
Here are the best mathematics graduate schools:
Princeton UniversityHarvard UniversityMassachusetts Institute of Technology
Stanford University
University of California-Berkeley
University of ChicagoColumbia UniversityUniversity of California-Los Angeles

You can consider following institutes:
JD Institute
DKTE
Sardar Vallabhai Patel International School
Madras Institute of Fashion Designing

If you cannot attend regular classes then you can take admission in any of open university, i.e. IGNOU or other distance education university. In that case, you will have the option of weekend classes or classes by your choice.

It provides Diploma or Masters degree in dermatology and you can also practice medical cosmetology here. After completing MBBS, the aspirants may avail a training/certification programme in order to become a specialist or a trainer. With a degree in general cosmetology, you can work in a salon or a spa.

Be strong in research methodology subject and your PG degree specialization subjects.

Yes, you are eligible for it as you have studied computer science in your HSC.