Which article of the Indian Constitution specifies the procedure for electing the Vice President?

Article 66 of the Indian Constitution outlines the election process for the Vice President of India. According to this article, the Vice President is elected by members of an electoral college consisting of members from both houses of Parliament (Lok Sabha and Rajya Sabha). The election uses proportional representation through a single transferable vote system and is conducted by the Election Commission of India. For comparison, Article 70 deals with presidential contingencies, Article 74 concerns the Council of Ministers that advises the President, and Article 52 simply establishes that there shall be a President of India.