The correct answer is Deputy Chairman of Rajya Sabha. Explanation & Key Takeaways: • In the absence of the Speaker and the Deputy Speaker of Lok Sabha, the joint sitting of the parliament is presided by the Deputy Chairman of Rajya Sabha. • The joint sitting of the Parliament is called by the President of India under Article 108. • It is generally presided over by the Speaker of the Lok Sabha or, in their absence, by the Deputy Speaker of the Lok Sabha. • Provision of Joint Sitting in the Indian constitution is taken from the constitution of Australia. Related Concepts: • According to Article 87 of the Constitution, there are two instances when the country’s President specifically addresses a joint sitting of both Houses: • At the start of the first session after a general election, when the reconstituted Lok Sabha meets for the first time after being elected. • At the start of the first session every year. • The Chairman of Rajya Sabha- is the vice president of the country.