Hi Tashi,

Some of the best books that you can refer are-

For Undergraduates

1. Dutta for both Obstetrics and Gynecology.

2. Shaw’s textbook for gynecology.

For Post Graduates

1. Williams textbook for Obstetrics.

2. James for high risk pregnancies.

3. J B Sharma text book for Obstetrics

4. Clinical gynecologic endocrinology and infertility-Speroff.

5. Operative gynecology -Te linde.

6. Gynecology malignancy -Novak.

7. Dutta for Gynecology.

Good Luck!