Dr. A.R. Khan, popularly known amongst the Civil Services aspirants as Khan Sir, is an accomplished educationist, academician, scholar, thinker and motivator. An avid reader and a prolific writer, Dr. Khan has published scores of Articles and Research Papers in reputed National and International Journals. He has also authored several Books on varied topics which have earned wide recognition. His career as an educationist spans over three decades during which he has also taught in India’s premier Institutions such as the University of Delhi and Delhi School of Economics. The insights that Dr. Khan gained while writing his Doctoral Thesis in the field of Interdisciplinary Studies, he has now perfected as an art. The most explicit exposition of this art is reflected in the unprecedented success of the Khan Study Group (KSG), founded by him in 2008 of which he is also the Director.