Title: Joint Session of the Parliament of India
Content:  The Parliament of India is bicameral. Concurrence of both houses are required to pass any bill. However, the framers of the Constitution of India anticipated situations of deadlock between the Rajya Sabha and the Lok Sabha. Therefore, the Constitution of India provides for Joint sittings of both the Houses to break the deadlock. The joint sitting of the Parliament is called by the President of India (Article 108) and is presided over by the Speaker of the Lok Sabha or, in their absence, by the Deputy Speaker of the Lok Sabha, or in their absence, the Deputy Chairman of the Rajya Sabha. The Chairperson of the Rajya Sabha, who is the Vice President of India, doesn't preside over the joint session. If any of the above officers are not present then any other member of the Parliament can preside by consensus of both the House. At present, the Central Hall is used for holding joint sittings of both the houses of parliament, which is also used for address by the President in the commencement of first session after each general election.
Title: Italian Parliament
Content:  altered. Joint sessions take place in the building of the Chamber of Deputies at Palazzo Montecitorio and are presided over by the President of the Chamber of Deputies ex officio. In this way, the drafters of the Constitution intended to establish an equilibrium with the power of the President of the Senate to exercise the functions of the President of the Republic when the latter is indisposed. Joint sessions take place for the following matters explicitly established by the Constitution: There is debate among legal scholars about whether the Parliament in joint session can make its own standing orders. Most scholars think it can, by analogy with the regulation of the Senate in article 65, which explicitly foresees such action.
Title: Rajya Sabha
Content:  that of Rajya Sabha, Lok Sabha tends to have a greater influence in a joint sitting of Parliament. A joint session is chaired by the Speaker of Lok Sabha. Also, because the joint session is convened by the President on the advice of the government, which already has a majority in Lok Sabha, the joint session is usually convened to get bills passed through a Rajya Sabha in which the government has a minority. Joint sessions of Parliament are a rarity, and have been convened three times in the last 71 years, for passage of a specific legislative act, the latest time being in 2002:
Title: Joint session
Content:  A joint session or joint convention is, most broadly, when two normally separate decision-making groups meet together, often in a special session or other extraordinary meeting, for a specific purpose. Most often it refers to when both houses of a bicameral legislature sit together. A joint session typically occurs to receive foreign or domestic diplomats or leaders, or to allow both houses to consider bills together. Some constitutions give special power to a joint session, voting by majority of all members of the legislature regardless of which house or chamber they belong to. For example, in Switzerland a joint session of the two houses elects the members of the Federal Council (cabinet). In India, disputes between houses are resolved by a joint sitting but without an intervening election.
Title: Joint session of the United States Congress
Content:  A joint session of the United States Congress is a gathering of members of the two chambers of the bicameral legislature of the federal government of the United States: the Senate and the House of Representatives. Joint sessions can be held on any special occasion, but are required to be held when the president delivers a State of the Union address, when they gather to count and certify the votes of the Electoral College as the presidential election, or when they convene on the occasion of a presidential inauguration. A joint meeting is a ceremonial or formal occasion and does not perform any legislative function, and no resolution is proposed nor vote taken. Joint sessions and meetings are usually held in the Chamber of the House of Representatives, and are traditionally presided over by the speaker of the House. However, the Constitution requires the vice president (as president of the Senate) to preside over the counting of electoral votes.
Title: Lawmaking procedure in India
Content:  In case of a deadlock between the two houses or in a case where more than six months lapse in the other house, the President may summon, though is not bound to, a joint session of the two houses which is presided over by the Speaker of the Lok Sabha and the deadlock is resolved by simple majority. To date, only three bills - the Dowry Prohibition Act (1961), the Banking Service Commission Repeal Bill (1978) and the Prevention of Terrorist Activities Act (2002) have been passed at joint sessions.
Title: United States Congress
Content:  Joint sessions of the United States Congress occur on special occasions that require a concurrent resolution from both House and Senate. These sessions include counting electoral votes after a presidential election and the president's State of the Union address. The constitutionally mandated report, normally given as an annual speech, is modeled on Britain's Speech from the Throne, was written by most presidents after Jefferson but personally delivered as a spoken oration beginning with Wilson in 1913. Joint Sessions and Joint Meetings are traditionally presided over by the speaker of the House, except when counting presidential electoral votes when the vice president (acting as the president of the Senate) presides.
Title: Joint Session of the Parliament of India
Content: (a) the Bill is rejected by the other House; or ; (b) the Houses have finally disagreed as to the amendments to be made in the Bill; or ; (c) more than six months elapse from the date of the reception of the Bill by the other House without the Bill being passed by it, the President may, unless the Bill has elapsed by reason of a dissolution of the House of the People, notify to the Houses by message if they are sitting or by public notification if they are not sitting, their intention to summon them to meet in a joint sitting for the purpose of deliberating and voting on the Bill. As per Article 108 of Constitution, a Joint session of Parliament can be summoned in the following situations. If after a Bill has been passed by one House and submitted to the other House—  However, in the calculating period of six months, those days are not considered when the house is prorogued or adjourned for more than 4 consecutive days. If the above conditions are satisfied, the President of India may summon the joint sitting of both the houses of parliament.
Title: Joint session
Content:  In India, if an ordinary bill has been rejected by any house of the parliament and if more than six months have elapsed, the President may summon a joint session for purpose of passing the bill. The bill is passed by a simple majority of a joint sitting. Since the lower house (Lok Sabha) has more than twice the members of the upper house (Rajya Sabha), a group commanding a majority in the lower house of the Government of India can pass such a bill even if it was previously rejected by the upper house. So far, Joint Session of the Parliament of India has been called for only three bills that have been passed at joint sessions: the Dowry Prohibition Act, 1961, the Banking Service Commission Repeal Bill, 1978, and the Prevention of Terrorism Act, 2002.
Title: President of the Chamber of Deputies (Italy)
Content:  serious cases, censuring a deputy and suspending them from the chamber for two to fifteen days. According to article 55 of the Italian Constitution, the President of the Chamber of Deputies presides over joint sessions of the Italian Parliament (which occur only certain circumstances defined by the constitution: electing the President of the Republic and various groups of judges, and impeaching the president). The President of the Chamber of Deputies must also be consulted by the President of the Republic before the dissolution of Parliament (along with the President of the Senate), according to article 88 of the Constitution. It is the President of the Chamber of Deputies' job to announce call a joint session of Parliament to elect the President of the Republic, thirty days before the deadline (article 85) or fifteen days after the death or dismissal of the previous President of the Republic (article 86).

Question: who presides over the joint sessions of parliament?
Answer: President.