Biotechnology

I wouldn't suggest you B.Com because biotechnology requires a lot of time and hard work, and it is not easy to cope up with both the courses.

Yes, of course.
The major advantage of doing B.Sc in this subject is that the course duration is short as compared to B.Tech or BE.
This is a rapidly developing field. Many private businesses are exploring this field and heavily investing in it. It is safe to say that there are ample job opportunities

There is no direct admission to Std. XI in Fergusson College. In Pune, all admissions to Std. XI Arts, Sciences, Commerce and vocational/ bifocal are under the Centralised Admission Procedure of the Department of Education, State Government. All students seeking admission to Fergusson College Std. X

Hello,
This is a two-year full-time post-graduate course. Its fee is 40,000 per year. The total course fee is INR 80,000.

It is a little bit tough to get you such college/university having only biotechnology courses. There are many colleges in India as well as abroad offering courses in biotechnology.

The admissions are merit-based. You need to score a minimum of 55% in 10+2 with science (biology).