Hey kavyanjali,
Colleges offering biotechnology in Bangalore are
1. Acharaya Bangalore b school
2. Al- ameen college of arts ,science and commerce
3. Bishop cotton womens christian college
4. BMS college for women
5. Garden city University
6. Indian Academy degree college
7. Jyothi nivas college
8. KLES S nijalingappa college
9. Kristu jayanti college
10. M.E.S college of arts ,commerce and science
Good luck!