Premise: The 1969 Indian vice-presidential election was held on 30 August 1969. Gopal Swarup Pathak won the election to become the fourth Vice-President of India. The election was occurred since the sitting VP, Varahagiri Venkata Giri resigned to contest the presidential election after the death of incumbent President Zakir Husain.
Hypothesis: Varahagiri Venkata Giri was the first sitting Indian Vice-President to step down from his post willingly