What should I do to carry on my future in biotechnology

It is great to hear that you have chosen a specific field and want to know about it. The future of biotechnoloy is very bright and there is very much score of research and new inventions in it. But it is a relatively new field in India. You can carry on with preparing for JEE-Mains and thereafter pursuing a B.Tech in biotechnology. Getting a seat in biotechnology is relatively easier as not many students opt for it but also not many colleges teach biotechnology. So give the entrance in best possible way and choose the best college you can get to pursue your dreams.

All the best for your future!