Here are some well-regarded colleges in India that offer M.Sc. in Organic Chemistry:

1. University of Delhi, Delhi: Known for its strong science programs and research facilities.

2. Jawaharlal Nehru University (JNU), Delhi: Offers a variety of advanced courses in chemistry, including organic chemistry.

3. Indian Institute of Science (IISc), Bangalore: Offers a highly competitive M.Sc. program with a focus on research.

4. Banaras Hindu University (BHU), Varanasi: Known for its comprehensive chemistry programs.

5. University of Hyderabad, Hyderabad: Offers a well-regarded M.Sc. program with research opportunities in organic chemistry.

6. Pune University (Savitribai Phule Pune University), Pune: Offers a range of postgraduate programs in chemistry.

7. Madras University, Chennai: Offers an M.Sc. in Chemistry with a focus on organic chemistry.

8. Jamia Millia Islamia (JMI), Delhi: Offers M.Sc. in Chemistry with specialization options.

9. Aligarh Muslim University (AMU), Aligarh: Known for its strong science programs.

10. Jadavpur University, Kolkata: Offers specialized programs in chemistry, including organic chemistry.