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The major advantage of doing a B.Sc course in this subject is that the course duration is short when compared to a B.E/B.Tech program. B.Sc course takes 3 years to complete whereas B.E/B.Tech program takes 4 years.
Another advantage is the relatively low saturation level in this field. From facts and figures, it is quite evident that B.Sc Biotechnology is not a very popular professional course among 12th Science students. Students prefer courses like B.E/B.Tech, MBBS, BDS etc. On seeing the 'B.Sc.' label, they tend to ignore Biotechnology course. This has resulted in relatively less number of takers for this course. Ultimately, this has resulted in low job market saturation too! So, it is safe to say that finding a good job after graduation won't be a tough task when compared to heavily saturated courses!
Then comes the attractive prospect of availability of lucrative scholarships. Many State Governments are offering all studies expense covering scholarships to meritorious students, who choose to pursue B.Sc. course. Such scholarships are provided to students scoring above 85% merit marks only.
Biotechnology is a rapidly developing sector. Advancements are being made at a good pace in this sector. Big firms are pouring in big money into it and new business opportunities are developing in this sector. These things have led to huge increase in job openings in this sector. In short, Biotechnology graduates are in huge demand these days.
After B.Sc. Biotechnology, one may go for M.Sc. Biotechnology, the Master's course. M.Sc course will take two years to complete. After completing B.Sc. and M.Sc. degrees, one may venture into Ph.D. also.
Another post graduate course that can be done after B.Sc Biotechnology is MBA. It will take 2 years to get an MBA Degree.
As I pointed out above, 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 for Biotechnology graduates in private sector. Government sector too offers job opportunities but not in the scale in which private sector does.