MBA/PGDM

Master of Business Administration in Biotechnology or simply MBA Biotechnology is a 2-year post-graduation course in Biotechnology that teaches the fundamentals of both business and biotechnology. The basic eligibility criterion for pursuing this course is that the students must have completed their graduation in either the field of engineering or medicine or graduation in BSc.
MBA has a wide scope of jobs for its students. There are a lot of opportunities once the student steps in the market. Some of the major recruiting sectors are:
Biotechnology Companies
Food Manufacturing Companies
Agricultural Companies
The major job profiles are:
Quality Assurance Manager
Validation Manager
Biotechnology Researcher
R&D Executive
Students can also go for higher studies and study courses like Ph.D. and M.Phil.
MBA Biotechnology focuses on providing an understanding of the economics driving this emerging technology. Biotechnology is a science of making products using biological processes, organisms or systems for the betterment of mankind.
All the best.

Yes, he can pursue MBA after BCA. MBA is a foremost career option that is pursued to be the best career option after the compilation of BBA. The majority of students seek to pursue MBA after BBA or other commerce-related courses to just sharpen their skills, knowledge, and their educational background to perform well in their respective jobs in the corporate or finance world. MBA can be equally beneficial even if done from private colleges provided that you have chosen the one from the A-list. If you pursue MBA from government colleges like IIMs you hold the reputation for the rest of your life. There are many students who get the same package from Tier-1 private colleges as the IIMs. Best Universities
ITER Bhubaneswar, Bhubaneswar. Geeta University, Panipat
MSRIT Bangalore - Ramaiah Institute of Technology. SRM
VIT
BITS Pilani
Amity University.

That totally depends on your interest, skill set and long term goals. No particular specialisation can be good for every single individual. Had it been the case, every private institute would have offered that one specialisation only and every student would have opted for that same. Many pursue an MBA degree to get to high managerial posts in organizations, but some don't. They pursue an MBA to become entrepreneurs and start their ventures. MBA training includes business management, planning, marketing, financial management, and many other skills that entrepreneurs need, making it a highly desirable degree to pursue after B.Tech. Below are some of the best Private Universities:-
BITS Pilani, ICT Mumbai, Mumbai. VIT Vellore, Vellore. Thapar Institute of Engineering and Technology - [TIET], Patiala. ITER Bhubaneswar, Bhubaneswar. LDCE Ahmedabad - LD College of Engineering. Geeta University, Panipat
MSRIT Bangalore - Ramaiah Institute of Technology. BMSCE Bangalore - BMS College of Engineering.

I will suggest you to choose MBA in Finance, An MBA in Finance means an MBA with a major in Finance. It is a good major for many people, but you should understand that you will not get an in-depth graduate education in Finance. Thus, if you want to make a career in Finance, you might want to consider a master in Finance in preference to an MBA in Finance. The scope of an MBA in finance is tremendous and offers good job opportunities with good pay packages. If you do your programme from any of the top MBA institutes in Delhi, your chances of getting placed in a good position increase many folds. An MBA in finance is often the most preferred choice amongst aspirants across the globe. The primary reason why so many opt for this field is that it offers excellent earning potential and rewarding career options in a variety of industries. Geeta University is one of the best choices indeed. It provides for multiple industrial exposures, live projects, an updated curriculum rigor and technology along with very good placements and personality development.