Hello Indratanu,

Yes, you are eligible for applying for B.Tech Biotechnology as per details given by you because the eligibility criteria for this course for colleges such as Manipal University is generally 12th grade or equivalent with Physics, Mathematics and English as compulsory subjects along with Chemistry or Biotechnology or Biology or any technical vocational subjects as optional with a minimum of 50% marks taken together in Physics, Mathematics and any one of the optional subjects.

Hope this answers your query, feel free to ask for more info.