Sorry to inform you that there are no colleges affiliated by DU that offers Biotechnology courses in Bachelors level.

Now in Delhi, JMI New Delhi - Jamia Millia Islamia offers BSc Biotechnology but as per data available online, there are other colleges for BSc Biotechnology :

• Jamia Hamdard University
• GD Goenka University
• Amity University
• Institute of Technology and Science

Although there are many colleges for MSc Biotechnology.

For more colleges in India for BSc Biotechnology visit the link provided below:

https://university.careers360.com/colleges/list-of-bsc-in-biotechnology-universities-in-india

To know more about the career in Biotechnology visit the link below:

https://www.careers360.com/courses/biotechnology-course

I hope this answer helps. All the very best for your future endeavors!