DOS has given 12 AIOS presidents so far with many more to come in the future
   
 

Dr. S.N. Kaul (1938)
Dr. V.C. Rambo (1958)
Dr. L.P. Agarwal (1977)
Dr. Madan Mohan (1988)
Dr. S.K. Malik (1989)
Dr. P.K. Khosla (1955)
Dr. D.K. Sen (2003)
Dr. H.K. Tewari (2004)
Dr. R.B. Jain (2006)
Dr. K.P.S. Malik (2008)
Dr. R.V. Azad (2010)
Dr. A.K. Grover (2011)
Dr. Anita Panda (2013)