Bicameral Structure of the Union Parliament (Article 79):
The Parliament of India consists of the President of India and two Houses: the Lok Sabha (House of the People) and the Rajya Sabha (Council of States).
1. Lok Sabha (Lower House / Popular Chamber):
- Maximum Strength: $550\text{ members}$ (up to $530$ representing States and up to $20$ representing Union Territories; nomination of 2 Anglo-Indians abolished by the 104th Constitutional Amendment Act, 2019). Members are elected directly by the people via Universal Adult Suffrage (secret ballot, minimum voting age 18 years under 61st Amendment).
- Qualifications for Membership (Article 84): (i) Must be a citizen of India; (ii) Must not be less than 25 years of age; (iii) Must not hold any office of profit under the Government of India or any state government; (iv) Must possess other qualifications prescribed by Parliament (e.g. registered voter).
- Term: 5 years from the date of its first meeting. The President can dissolve it earlier on the advice of the Prime Minister. During a National Emergency (Article 352), its term can be extended by Parliament by law for up to 1 year at a time, but cannot exceed 6 months after the emergency ceases.
- Speaker of the Lok Sabha: Presiding officer elected by the members from amongst themselves. Conducts proceedings, maintains order, decides on points of order, exercises a casting vote in case of a tie, and decides whether a bill is a Money Bill or not (his/her decision is final!).
2. Rajya Sabha (Upper House / Permanent Chamber):
- Maximum Strength: $250\text{ members}$ ($238$ representatives of States and UTs elected indirectly by elected members of State Legislative Assemblies via single transferable vote; 12 members nominated by the President having special knowledge in Literature, Science, Art, and Social Service).
- Qualifications: Same as Lok Sabha, except minimum age is 30 years!
- Term: Permanent House; it is never dissolved! Members are elected for a term of 6 years, with one-third ($\frac{1}{3}\text{rd}$) of its members retiring every second year.
- Presiding Officer: The Vice-President of India is the ex-officio Chairman of the Rajya Sabha. The Deputy Chairman is elected by the Rajya Sabha members from amongst themselves.