Presidents of India
— In the timeline, years in bold correspond to the year in which Presidents were elected. The timeline starts the term of each President on the exact date they were sworn in.
— A. P. J. Abdul Kalam was the only President who had no affiliations with any political parties, and was completely uninvolved in politics before being elected President.
— N. Sanjeeva Reddy from the Janata Party is the only President who was affiliated with a political party other than the Indian National Congress at the time of election.
— The dotted line in the timeline represents the tenure of three Acting Presidents; two of whom were appointed upon a President's demise, and one upon the resignation of the Acting President.
— Vice President Varahagiri Venkata Giri served as the Acting President upon the demise of Dr. Zakir Hussain. He resigned to take part in the Presidential election, and was subsequently elected as President.
— Mohammad Hamid Ansari is the only Vice President to serve two terms. All other Vice Presidents were either elected President in the next term, or left the office.
Penguin India Factfile, 2nd Edition (2008). Penguin Books. ISBN 9780143102472.
Further verification was done using: http://en.wikipedia.org/wiki/List_of_Presidents_of_India