Based on your experience in Biology, Chemistry, and Computer Applications, you may consider the following B.Sc. Honours courses:

Biology-related:

B.Sc. (Hons.) Biotechnology: This course focuses on applying biological principles to technological innovations.

B.Sc. (Hons.) Microbiology: This course deals with the world of microorganisms and their applications in different fields.

B.Sc. (Hons.) Biochemistry: This course concerns the chemistry of living organisms.

Computer Science-related:

B.Sc. (Hons.) Computer Science: This is a broad course that trains the students in various aspects of computer science, from programming to algorithms and data structures.

Other Options:

B.Sc. (Hons.) Chemistry

B.Sc. (Hons.) Physics

B.Sc. (Hons.) Mathematics

It depends on your interests and future career. If you want to pursue a career in research and innovation, B.Sc. (Hons.) Biotechnology, Microbiology, or Biochemistry will be the appropriate choice. If interested in technology, then B.Sc. (Hons.) Computer Science will be an appropriate choice.

Here are some careers after B.Sc. (Hons.) are undertaken:

Research : Further M.Sc. and even to level of Ph.D. for Institutes/ Universities for research;

Industry: Employment in the pharmaceuticals/ biotechnology/ food/ IT industry;

Teaching: Lecturer or professor positions in colleges and universities.

Government Jobs: Jobs in research organizations and regulatory bodies;

Higher Studies: MBA, M.Tech, and so on.

Always research the colleges and universities that offer these courses, the curriculum, faculty, and placement records before making that final decision. https://www.careers360.com/courses/b-sc-hons