Dr. Rakesh Mahajan
Dr. Namrata Sharma
Dr. Jatinder S Bhalla
Welcome to Annual Conference of DOS from April 3-5, 20
at Hotel Ashok, New Delhi.
The early bird Registration ends on 31st
January, 2020. Visit http://www.dosonline.org/confrences/annual-conference
for more details.
Click here...Photographs of DOS Teaching Programe
Click here...Photographs of DOS Winter Conference - 2019