article 63 of the indian constitution states that "there shall be a vice-president". the person who holds the post of vice-president acts as the president of india during the absence of the president due to resignation, death, impeachment and other reasons. the vice president is also the ex-officio chairperson of the rajya sabha. the vice-president is elected indirectly by members of an electoral college consisting of the members of both houses of the parliament of india.