Dear aspirant,

You can take any of these subjects to become a lecturer in Medical Colleges in India.

But you have to pursue Master's in the respective subjects and then can appear for various entrance exam for professors in the field.

For lectureship post in premier institutions in India you should have at least Phd and experience of 2 years at the respective field of work or a Post Doc. Degree from India or abroad.

Hope it helps..

Best of luck..