The quorum for Joint Sitting of the Indian Parliament is

1. Composition and Sessions of Parliament (basic)

Welcome to your first step in mastering the Indian Parliament! To understand complex mechanisms like a 'Joint Sitting', we must first understand the architecture of the Parliament itself. Under Article 79, the Parliament of India is not just the two Houses we see on TV; it is a tripartite body consisting of the President, the Council of States (Rajya Sabha), and the House of the People (Lok Sabha) Indian Polity, M. Laxmikanth(7th ed.), Chapter 23: Parliament, p. 222. Even though the President is not a member of either House, they are an integral part because no bill passed by both Houses can become law without the President's assent.

The two Houses differ fundamentally in their nature. The Rajya Sabha is a permanent body and is not subject to dissolution; one-third of its members retire every second year. The Lok Sabha, however, has a normal term of five years, after which it dissolves, or it can be dissolved earlier by the President Introduction to the Constitution of India, D. D. Basu (26th ed.), The Union Legislature, p. 245. For these Houses to conduct any business, a Quorum is required—this is the minimum number of members (one-tenth of the total strength) who must be present.

Parliamentary work is organized into Sessions. A 'session' is the period between the first meeting of a House and its prorogation (or dissolution in the case of Lok Sabha). Within a single session, the House meets daily in sittings. It is vital to distinguish how these sittings and sessions are terminated:

Feature	Adjournment	Prorogation
Definition	Terminates a sitting (for hours, days, or weeks).	Terminates a session of the House.
Authority	Done by the Presiding Officer (Speaker/Chairman).	Done by the President of India.
Bills	Does not affect bills or business pending.	Does not affect bills, but pending notices lapse.

Indian Polity, M. Laxmikanth(7th ed.), Chapter 23: Parliament, p. 237

Sources: Indian Polity, M. Laxmikanth(7th ed.), Chapter 23: Parliament, p.222, 236-237; Introduction to the Constitution of India, D. D. Basu (26th ed.), The Union Legislature, p.245

2. The Concept of Quorum in Individual Houses (basic)

In the world of parliamentary democracy, we cannot allow a handful of people to make decisions for the entire nation. This is where the concept of Quorum comes in. A quorum is the minimum number of members required to be present in a House before it can legally transact any business or conduct a meeting. Think of it as a validity check to ensure that the House has a representative presence before any debate or voting begins.

According to Article 100 of the Indian Constitution, the quorum for either House of Parliament is fixed at one-tenth of the total number of members of that House. Crucially, this count includes the presiding officer (the Speaker in the Lok Sabha or the Chairman in the Rajya Sabha). Without this minimum attendance, any proceeding is considered unofficial. As per the current strengths, the numbers look like this:

House	Total Membership (Approx)	Required Quorum (1/10th)
Lok Sabha	543	55 Members
Rajya Sabha	245	25 Members

Indian Polity, M. Laxmikanth(7th ed.), Chapter 23, p.237

So, what happens if the bells ring and the benches remain empty? The Constitution places a clear duty on the Presiding Officer. If at any time during a meeting there is no quorum, it is the duty of the Speaker or Chairman to either adjourn the House or suspend the meeting until the required number of members is present. They cannot simply "look the other way" and continue with the legislative business Introduction to the Constitution of India, D. D. Basu (26th ed.), The Union Legislature, p.248.

Sources: Indian Polity, M. Laxmikanth(7th ed.), Chapter 23: Parliament, p.237; Introduction to the Constitution of India, D. D. Basu (26th ed.), The Union Legislature, p.248

3. Legislative Procedure: Passage of Ordinary Bills (intermediate)

To understand how the Indian Parliament functions, we must first look at the life cycle of an Ordinary Bill. Unlike Money Bills, which are strictly the domain of the Lok Sabha, an ordinary bill deals with any matter other than financial subjects and can be introduced in either House of Parliament by either a Minister or a Private Member Laxmikanth, M. Indian Polity, Parliament, p.245-246.

The journey of an ordinary bill is a rigorous process consisting of five distinct stages. The First Reading is largely a formal affair where the member asks for 'leave of the House' to introduce the bill, followed by its publication in the Gazette of India. The real work begins during the Second Reading, which is the most critical stage. Here, the bill undergoes a general discussion, followed by a detailed clause-by-clause consideration where each part of the bill is voted upon and amendments can be moved Laxmikanth, M. Indian Polity, Parliament, p.246. A clause is a specific part of a bill that explains a particular detail or rule, such as the age limits in the Right to Education Act NCERT Class VIII, Social Science, The Parliamentary System, p.147.

Finally, in the Third Reading, the House either accepts or rejects the bill as a whole—no further amendments are allowed at this point. If passed, it travels to the Second House, which goes through the exact same ritual. It is vital to remember that for ordinary bills, both the Lok Sabha and the Rajya Sabha enjoy equal powers Laxmikanth, M. Indian Polity, Parliament, p.248. This equality is the very reason why a 'deadlock' can occur, as neither House can be bypassed or ignored in the legislative process.

Stage	Key Characteristic
First Reading	Introduction and publication in the Gazette; no discussion.
Second Reading	Detailed scrutiny, Committee stage, and clause-by-clause voting.
Third Reading	Final vote on the Bill; no new amendments permitted.
Second House	The bill must pass through the same three readings again.
Assent	President signs the bill to make it an Act.

Sources: Laxmikanth, M. Indian Polity, Parliament, p.245-246; Laxmikanth, M. Indian Polity, Parliament, p.248; NCERT Class VIII, Social Science, The Parliamentary System: Legislature and Executive, p.147

4. Legislative Deadlock and Exceptions (intermediate)

In the journey of a Bill through Parliament, a legislative deadlock occurs when the Lok Sabha and Rajya Sabha reach an impasse. According to Article 108 of the Constitution, a deadlock is officially recognized in three specific situations: if a Bill is rejected by the other House, if the Houses finally disagree on amendments, or if more than six months pass without the Bill being passed by the receiving House Laxmikanth, M. Indian Polity. 7th ed., Chapter 23: Parliament, p.249. To break this tie, the President may summon a Joint Sitting—an extraordinary machinery where members of both Houses deliberate and vote together. However, this is not a universal fix; it is strictly reserved for Ordinary Bills and Financial Bills. It cannot be used for Money Bills (where the Lok Sabha is supreme anyway) or Constitutional Amendment Bills, which must be passed by each House separately to ensure a genuine consensus on fundamental changes to the law Laxmikanth, M. Indian Polity. 7th ed., Chapter 23: Parliament, p.250.

For a Joint Sitting to actually conduct business, it must meet a Quorum. Just as Article 100(3) sets the quorum for an individual House at one-tenth of its membership, the quorum for a Joint Sitting is one-tenth of the total number of members of both Houses combined Laxmikanth, M. Indian Polity. 7th ed., Chapter 23: Parliament, p.250. If this minimum attendance isn't met, the presiding officer (usually the Speaker) must adjourn the session. Interestingly, while this mechanism exists at the Union level, the Constitution does not provide for a joint sitting in the State Legislatures; if a deadlock occurs in a state with two houses, the Legislative Assembly eventually prevails Laxmikanth, M. Indian Polity. 7th ed., Chapter 30: State Legislature, p.345.

Bill Category	Joint Sitting Possible?	Key Reason
Ordinary Bill	Yes	To resolve disagreement between the two Houses.
Financial Bills (I & II)	Yes	They follow the procedure of Ordinary Bills in this regard.
Money Bill	No	Lok Sabha has overriding authority; Rajya Sabha has limited powers.
Constitutional Amendment Bill	No	Each House must pass it independently (Article 368).

Sources: Laxmikanth, M. Indian Polity, Chapter 23: Parliament, p.237, 249-250; Laxmikanth, M. Indian Polity, Chapter 30: State Legislature, p.345

5. Presiding Officers during Joint Sittings (intermediate)

When the Lok Sabha and Rajya Sabha meet for a Joint Sitting to resolve a legislative deadlock, the question of leadership is paramount. Under the provisions of the Constitution, the Speaker of the Lok Sabha always takes precedence and presides over the session M. Laxmikanth, Indian Polity, Chapter 23, p.250. This reflects the Lok Sabha's direct representative character and its larger numerical strength. If the Speaker is absent, the responsibility falls to the Deputy Speaker of the Lok Sabha. Should both be unavailable, the Deputy Chairman of the Rajya Sabha takes the chair M. Laxmikanth, Indian Polity, Chapter 23, p.250.

It is a critical constitutional nuance that the Chairman of the Rajya Sabha (the Vice-President of India) never presides over a joint sitting. This is because the Chairman is not a member of either House of Parliament. If all the aforementioned officers are absent, the members present at the joint sitting determine a person from among themselves to preside over the meeting. Furthermore, during these sittings, the Rules of Procedure of the Lok Sabha are followed, rather than those of the Rajya Sabha M. Laxmikanth, Indian Polity, Chapter 23, p.250.

For the session to legally conduct business, a quorum must be met. This is defined as one-tenth of the total number of members of both Houses combined M. Laxmikanth, Indian Polity, Chapter 23, p.250. Regarding the decision-making process, matters are decided by a simple majority of the members present and voting. Much like in ordinary sessions, the presiding officer does not vote in the first instance but possesses a casting vote to break a tie M. Laxmikanth, Indian Polity, Chapter 23, p.237.

Order of Precedence	Presiding Officer	Reason/Context
1st Choice	Speaker of Lok Sabha	Default Head
2nd Choice	Deputy Speaker of Lok Sabha	In absence of Speaker
3rd Choice	Deputy Chairman of Rajya Sabha	In absence of both above
4th Choice	Member chosen by the Sitting	When all established officers are absent

Sources: Indian Polity, Chapter 23: Parliament, p.250; Indian Polity, Chapter 23: Parliament, p.237

6. The Mechanics of Article 108: Joint Sitting (exam-level)

Once a deadlock is established under Article 108, the machinery of a Joint Sitting is set in motion. This is not an automatic process; it requires the President to notify their intention to summon the two Houses to meet together Indian Polity, Parliament, p. 249. A critical nuance to remember for the exam is the impact of the dissolution of the Lok Sabha. If the Lok Sabha is dissolved after the President has notified the intention to summon a joint sitting, the bill does not lapse and the sitting proceeds. however, if the Lok Sabha dissolves before such a notification, the bill simply dies with the House Indian Polity, Parliament, p. 250.

The logistics of the joint sitting are heavily weighted toward the Lok Sabha. Firstly, the Rules of Procedure of the Lok Sabha apply, rather than those of the Rajya Sabha. Secondly, the presiding hierarchy is strictly defined to ensure the session remains functional. If the Speaker is absent, the Deputy Speaker of the Lok Sabha presides. If they are also unavailable, the Deputy Chairman of the Rajya Sabha takes the chair. Crucially, the Chairman of the Rajya Sabha (the Vice-President) never presides over a joint sitting because they are not a member of either House.

For the session to legally transact any business, a Quorum must be met. In a regular session, the quorum is one-tenth of the membership of a single House. For a joint sitting, the requirement is one-tenth of the total membership of both Houses combined. If this aggregate number is not present, the presiding officer is duty-bound to adjourn or suspend the meeting until the quorum is met.

Feature	Rule/Requirement
Presiding Officer	Speaker of Lok Sabha (Default)
Rules of Procedure	Lok Sabha Rules apply
Quorum	1/10th of the combined strength of both Houses
Lapsing of Bill	Does not lapse if President notified sitting before dissolution

Sources: Indian Polity, Parliament, p.249; Indian Polity, Parliament, p.250; Introduction to the Constitution of India, The Union Legislature, p.257

7. Specific Rules for Joint Sitting Conduct (exam-level)

Now that we understand who presides over a joint sitting, let's look at the actual "ground rules" of how the session functions. Think of a joint sitting as a massive combined classroom; even though students from two different sections (Houses) are present, we need one clear set of rules to keep order. In India, the Rules of Procedure of the Lok Sabha govern a joint sitting, not the rules of the Rajya Sabha Indian Polity, M. Laxmikanth(7th ed.), Chapter 23, p.250. This ensures consistency, as the Lok Sabha is the larger chamber and its Speaker usually leads the session.

For any business to actually happen, we must meet the Quorum. The quorum is the minimum number of members required to be present to make the proceedings valid. For a joint sitting, this is one-tenth (1/10th) of the total number of members of both Houses combined Laxmikanth, M. Indian Polity. 7th ed., McGraw Hill., Chapter 23, p.250. If the benches are too empty and this 1/10th mark isn't hit, the presiding officer has a constitutional duty to either adjourn the session or suspend it until enough members arrive.

When it comes to the actual decision-making, the deadlock is broken through a simple majority. This means the bill is passed if more than 50% of the members present and voting support it Laxmikanth, M. Indian Polity. 7th ed., McGraw Hill., Chapter 23, p.250. Crucially, the presiding officer (usually the Speaker) does not vote in the first instance. They only cast a 'casting vote' if there is a perfect tie, ensuring the House can reach a final decision Laxmikanth, M. Indian Polity. 7th ed., McGraw Hill., Chapter 23, p.237.

Here is a quick summary of the operational conduct:

Feature	Specific Rule for Joint Sitting
Governing Rules	Rules of Procedure of the Lok Sabha
Quorum	1/10th of the combined strength of both Houses
Voting Requirement	Simple Majority of members present and voting
Presiding Officer's Vote	No initial vote; Casting vote only in case of a tie

Sources: Indian Polity, M. Laxmikanth(7th ed.), Chapter 23: Parliament, p.250; Laxmikanth, M. Indian Polity. 7th ed., McGraw Hill., Chapter 23: Parliament, p.250; Laxmikanth, M. Indian Polity. 7th ed., McGraw Hill., State Legislature, p.341; Laxmikanth, M. Indian Polity. 7th ed., McGraw Hill., Chapter 23: Parliament, p.237

8. Solving the Original PYQ (exam-level)

Now that you have mastered the mechanics of Article 108 and the individual functioning of the Houses under Article 100, this question brings those building blocks together. You have learned that a Joint Sitting is a constitutional mechanism used to resolve deadlocks between the Lok Sabha and Rajya Sabha. The fundamental principle to remember here is that a Joint Sitting is presided over by the Speaker and generally follows the Rules of Procedure of the Lok Sabha. Just as a single House requires a minimum attendance to conduct business, the aggregate body must also meet a threshold to be validly constituted.

To arrive at the correct answer, you must apply the standard definition of a quorum. As noted in Indian Polity, M. Laxmikanth, the quorum for either House is one-tenth of the total membership. When both Houses meet together, this same proportion applies to the combined strength of the Parliament. Therefore, the reasoning is straightforward: because the joint session is an extension of parliamentary business, it maintains the (C) One-tenth of the total number of members of the House requirement. If this aggregate number is not present, the presiding officer is duty-bound to adjourn the sitting.

UPSC frequently uses other constitutional fractions as traps to test your precision. For example, one-sixth (Option B) is often confused with the proportion of members the President nominates to the Rajya Sabha or the threshold for losing a security deposit in elections. Similarly, two-third (Option D) is a classic distractor because it represents the Special Majority required for constitutional amendments or impeachment, not a procedural quorum. By identifying one-tenth as the universal constitutional standard for a parliamentary quorum in India, you can quickly eliminate these distractors.