Hello aspirant,

The duration of the Ph.D. Reproductive Biology course shall be the time from registration to thesis submission. All applicants who are registered for a PhD must maintain their registration for a minimum of three years. Five years is the maximum registration duration that may be used. On the proposal of the Dean Committee and with the final permission of the Dean/Director, extensions beyond the initial five-year period may be granted for a maximum of six months.

For more information, please visit the following link:

https://www.careers360.com/university/all-india-institute-of-medical-sciences-new-delhi/phd-reproductive-biology-course

Thank you

Hope it helps you