Chemistry — Periodic Table, Bonding & Reactions

Why This Chapter Matters

Every RRB ALP and Technician paper carries questions from the General Awareness section, and polity is one of the most reliable scoring zones in it. Expect 2 to 4 direct questions on the Preamble, Fundamental Rights, the structure of government, or the judiciary in almost every shift. Unlike history dates or obscure static facts, polity questions repeat their patterns year after year. Learn the pattern once and you carry the marks into every attempt.

The single biggest mistake aspirants make here is mixing up Fundamental Rights with Directive Principles of State Policy. Both sit in the Constitution, both talk about citizens' welfare, but one is enforceable in a court of law and the other is not. Examiners love this exact confusion because a rushed student reads "right to work" or "right to education" and assumes it must be a Fundamental Right, when several such entitlements actually live in the Directive Principles. Keep that boundary clear as you read this chapter and you will dodge one of the most common traps in the paper.

This chapter builds your polity foundation in the order the exam expects: the Preamble first, then Fundamental Rights, then the three organs of government, then the judiciary. Read it once slowly, then return to the revision list before your test.

1. The Constitution — Birth and Basic Facts

India's Constitution was drafted by the Constituent Assembly, which began work on 9 December 1946. The Assembly worked through committees, and the most important of these was the Drafting Committee, chaired by Dr. B.R. Ambedkar, who is remembered as the chief architect of the Constitution. The final draft was adopted on 26 November 1949, a date the country now observes as Constitution Day (also called Samvidhan Divas). The Constitution came into full force on 26 January 1950, and that date was chosen deliberately because 26 January had already been marked as Purna Swaraj Diwas (complete independence day) by the Indian National Congress back in 1930.

Exam trap: Do not confuse the adoption date (26 November 1949) with the enforcement date (26 January 1950). Papers frequently swap these two dates as a distractor option.

Think of the Constitution as the master rulebook of a very large, very diverse cricket league. Every state team, every player, every umpire follows the same rulebook, even though local customs differ from ground to ground. That rulebook did not appear overnight; it took the Constituent Assembly 2 years, 11 months, and 18 days to finish it, a figure examiners like to test directly.

The original Constitution had 395 Articles, 22 Parts, and 8 Schedules. After decades of amendments, it now runs longer, with the number of Schedules having grown to 12. You do not need to memorize every current article count, but you should know the original numbers because they appear often in "which of the following was true of the original Constitution" style questions.

India borrowed features from several countries while drafting its own document, but it did not copy any single one wholesale. Some borrowings worth remembering: the Parliamentary system and rule of law came broadly from the United Kingdom; Fundamental Rights were influenced by the United States; the Directive Principles of State Policy came from Ireland; and the idea of a Concurrent List in the distribution of powers came from Australia. Think of the Constitution as a thali, a plate with dishes borrowed from different kitchens but plated and seasoned to suit Indian taste.

2. The Preamble

The Preamble is the introduction to the Constitution, a short paragraph that tells you what kind of country India set out to be. It reads, in essence, that India is a Sovereign, Socialist, Secular, Democratic Republic securing to its citizens Justice, Liberty, Equality, and Fraternity.

Two words in that list were not present in 1950. The terms Socialist and Secular were inserted by the 42nd Constitutional Amendment Act, 1976, during the Emergency period, along with the word Integrity being added to the Fraternity clause (the original said "unity of the nation," the amendment changed it to "unity and integrity of the nation"). This is one of the most tested facts in the entire polity syllabus.

Memory hook: Remember "SSDR gives JLEF" — Sovereign, Socialist, Democratic, Republic gives Justice, Liberty, Equality, Fraternity. The word Secular sits between Socialist and Democratic in the actual text, so picture it as the guest who arrived late to the party in 1976 and had to squeeze into the middle of the group photo.

Key terms decoded, one by one:

• Sovereign means India answers to no external power; it can conduct its own foreign policy, defense, and trade without any outside authority's approval.
• Socialist means the state pursues social and economic equality, and works to reduce disparity in wealth, without abandoning private enterprise.
• Secular means the state has no official religion and treats all religions equally; it neither favors nor persecutes any faith.
• Democratic means the government derives its power from the people through elections.
• Republic means the head of state, the President, is elected, not a hereditary monarch.

The Preamble also declares the source of authority as "We, the People of India," signalling that power flows from the citizens upward, not from any ruler downward. The Kesavananda Bharati case (1973) established that the Preamble is part of the Constitution and reflects its basic structure, though Parliament can amend it (as it did in 1976) so long as the basic structure itself is not destroyed.

3. Fundamental Rights

Fundamental Rights are contained in Part III of the Constitution, spanning Articles 12 to 35. These rights are justiciable, meaning a citizen can walk into court, specifically the Supreme Court under Article 32 or a High Court under Article 226, if any of these rights is violated. That enforceability is exactly what separates them from the Directive Principles you will read about next.

Originally there were seven Fundamental Rights. The Right to Property (Article 31) was removed from this list by the 44th Amendment Act, 1978 and downgraded to a legal right under Article 300A. So today there are six Fundamental Rights:

1. Right to Equality (Articles 14–18) — covers equality before law, prohibition of discrimination, equality of opportunity in public employment, abolition of untouchability (Article 17), and abolition of titles (Article 18).
2. Right to Freedom (Articles 19–22) — the famous Article 19 gives six freedoms: speech and expression, assembly, association, movement, residence, and profession/occupation. Article 20 protects against arbitrary conviction, Article 21 guarantees protection of life and personal liberty, and Article 21A (added by the 86th Amendment) guarantees free and compulsory education for children aged 6 to 14.
3. Right against Exploitation (Articles 23–24) — bans human trafficking, forced labor, and child labor in hazardous industries for children below 14.
4. Right to Freedom of Religion (Articles 25–28) — freedom of conscience and free profession, practice, and propagation of religion.
5. Cultural and Educational Rights (Articles 29–30) — protects the interests of minorities to conserve their language, script, and culture, and to set up their own educational institutions.
6. Right to Constitutional Remedies (Article 32) — the right to move the Supreme Court to enforce your other Fundamental Rights. Dr. Ambedkar called this the "heart and soul" of the Constitution, a phrase you should be able to recall instantly.

Exam trap: A question may ask "which of these is NOT a Fundamental Right." If Right to Property appears as an option, it is the correct answer to pick as "not a Fundamental Right today," because it moved to Article 300A in 1978.

Under Article 32, the Supreme Court can issue five types of writs to enforce rights:

• Habeas Corpus — "you may have the body," used to produce a detained person before court and check the legality of detention.
• Mandamus — "we command," directs a public official to perform a duty they are legally bound to perform.
• Prohibition — issued by a higher court to stop a lower court from exceeding its jurisdiction.
• Certiorari — quashes an order already passed by a lower court or tribunal acting beyond its powers.
• Quo Warranto — "by what authority," questions the legal right of a person to hold a public office.

Memory hook: Think of the five writs as five different jobs at a railway station. Habeas Corpus is the ticket checker who confirms whether you are being held (detained) legally. Mandamus is the announcement system ordering a duty to be done. Prohibition is the signal that stops a train (lower court) from proceeding beyond its limit. Certiorari cancels a wrongly issued ticket. Quo Warranto checks whether the person in the stationmaster's chair actually has the authority to sit there.

Fundamental Rights are not absolute. The state can impose "reasonable restrictions" on many of them, such as restricting free speech in the interest of public order, decency, or the security of the state. This is why Article 19 rights are described as subject to reasonable restrictions rather than unconditional.

4. Directive Principles of State Policy

Contained in Part IV, Articles 36 to 51, the Directive Principles of State Policy (DPSP) are guidelines for the state to follow while making laws and policy. Unlike Fundamental Rights, DPSPs are not enforceable in any court. Article 37 explicitly states they shall not be enforceable by any court, but are "nevertheless fundamental in the governance of the country."

This is the exact distinction the exam wants you to nail. If a right can be argued in court, it belongs to Part III. If it is a goal the government is expected to work toward but cannot be legally forced to deliver immediately, it belongs to Part IV. Examples of DPSPs include the state working to provide a uniform civil code (Article 44), to organize village panchayats (Article 40), to secure a living wage for workers, and to promote international peace.

Exam trap: "Right to work" and "right to education for children 6-14" sound similar. Right to Education for children aged 6 to 14 became an actual Fundamental Right under Article 21A. But right to work, along with several other economic entitlements, remains a Directive Principle, not enforceable in court. Read the exact article number in the question stem carefully before answering.

Think of Fundamental Rights as the promises written into your railway ticket, the ones you can demand a refund for if broken. DPSPs are more like the railway's mission statement about improving punctuality and comfort over time; a good goal, but you cannot sue the railway for not achieving it by next Tuesday.

5. Structure of Government — Union and States

India follows a federal structure with a unitary bias, meaning power is divided between the Centre and the States, but in a crisis the Centre can override state authority. The government at both levels operates through three organs: the Legislature, the Executive, and the Judiciary.

Union Executive

The President of India is the constitutional head of state, elected indirectly by an electoral college of elected members of Parliament and state legislative assemblies, for a 5-year term (Article 52-78 broadly cover the executive). The President acts largely on the advice of the Council of Ministers, headed by the Prime Minister, who is the real executive authority. The Prime Minister is appointed by the President but must command a majority in the Lok Sabha to remain in office.

Union Legislature — Parliament

Parliament has two houses:

• Lok Sabha (House of the People) — the lower house, directly elected by citizens, maximum strength 552 as per constitutional provision (composition has evolved with delimitation), normal term 5 years unless dissolved earlier.
• Rajya Sabha (Council of States) — the upper house, a permanent body that is never fully dissolved; one-third of its members retire every two years. Members are elected by state legislative assemblies, with a maximum strength of 250.

Memory hook: Picture the Lok Sabha as a passenger train that completes its journey and comes back to the yard every 5 years for a fresh start (unless it derails earlier through dissolution). The Rajya Sabha is like a running freight service that never fully halts; wagons (a third of members) are swapped out every two years while the rest of the train keeps rolling.

A bill must be passed by both houses to become law, except Money Bills, which only need approval of the Lok Sabha; the Rajya Sabha can only suggest changes for money bills, not block them, and must return them within 14 days.

State Government

Each state has a Governor as the constitutional head, appointed by the President, and a Chief Minister who runs the actual government with the support of the state's Council of Ministers. States may have either a unicameral or bicameral legislature; the lower house is the Legislative Assembly (Vidhan Sabha) and, where it exists, the upper house is the Legislative Council (Vidhan Parishad).

Separation of Powers

The Legislature makes laws, the Executive implements them, and the Judiciary interprets them and checks whether they align with the Constitution. India does not follow a rigid separation like the United States; there is functional overlap, since the executive (Council of Ministers) is drawn from and answerable to the legislature, a hallmark of the Parliamentary system as opposed to a Presidential system.

6. The Judiciary

India has a single, integrated judiciary, unlike the United States, which runs separate federal and state court systems. At the top sits the Supreme Court, below it the High Courts in each state or group of states, and below that the subordinate district and lower courts.

Supreme Court of India

Established under Article 124, the Supreme Court is the highest court in the country, and its decisions bind every other court. It began functioning on 28 January 1950, two days after the Constitution itself came into force. The Chief Justice of India heads the court, and judges are appointed by the President in consultation with the judiciary through the collegium system.

The Supreme Court exercises three broad kinds of jurisdiction:

• Original jurisdiction — disputes directly between the Centre and states, or between states.
• Appellate jurisdiction — appeals from High Court judgments in civil, criminal, and constitutional matters.
• Advisory jurisdiction — under Article 143, the President may seek the Supreme Court's opinion on a matter of law or fact.

The Supreme Court is also the guardian of the Constitution and the final interpreter of Fundamental Rights through Article 32, which you read about earlier.

High Courts

Every state (or a group of small states/union territories) is covered by a High Court, established under Article 214. The Calcutta High Court, established in 1862, is the oldest High Court in India. High Courts have original, appellate, and, importantly, writ jurisdiction under Article 226, which is actually broader than the Supreme Court's writ power under Article 32, because Article 226 allows High Courts to issue writs not just for Fundamental Rights but for "any other purpose" too.

Exam trap: Students often assume the Supreme Court has wider writ powers than the High Courts because it sits above them in the hierarchy. In terms of the grounds on which a writ can be issued, Article 226 is actually wider than Article 32. Rank in the court hierarchy does not automatically mean wider power on every count.

Independence of the Judiciary

Judges of the Supreme Court and High Courts enjoy security of tenure, fixed salaries not subject to a vote in Parliament, and a restricted removal process (impeachment, requiring a special majority in Parliament) to keep them free from political pressure. This is treated as part of the Constitution's basic structure, which even a constitutional amendment cannot destroy, as laid down in the Kesavananda Bharati judgment.

7. Amending the Constitution

The Constitution can be amended under Article 368, and India's Constitution is famous for striking a balance between being too rigid and too flexible. Some provisions can be amended by a simple majority in Parliament (like ordinary law), some require a special majority (two-thirds of members present and voting, and a majority of the total membership of each house), and some require that special majority plus ratification by at least half the state legislatures, typically for changes affecting the federal structure.

The basic structure doctrine, established in Kesavananda Bharati vs State of Kerala (1973), holds that Parliament can amend any part of the Constitution but cannot alter its "basic structure," a concept that includes supremacy of the Constitution, republican and democratic form of government, secularism, separation of powers, and judicial review, among other features. This case is one of the most cited judgments in Indian constitutional history and appears frequently in general awareness papers.

Quick Revision — One-Line Facts

• The Constituent Assembly began drafting the Constitution on 9 December 1946.
• The Constitution was adopted on 26 November 1949, celebrated as Constitution Day.
• The Constitution came into force on 26 January 1950, called Republic Day.
• Dr. B.R. Ambedkar chaired the Drafting Committee and is called the chief architect of the Constitution.
• The original Constitution had 395 Articles, 22 Parts, and 8 Schedules.
• The words Socialist and Secular were added to the Preamble by the 42nd Amendment, 1976.
• The Preamble's four ideals are Justice, Liberty, Equality, and Fraternity.
• Fundamental Rights are in Part III, Articles 12 to 35.
• There are six Fundamental Rights today; Right to Property was removed by the 44th Amendment, 1978.
• Article 32, the Right to Constitutional Remedies, was called the "heart and soul" of the Constitution by Ambedkar.
• The five writs are Habeas Corpus, Mandamus, Prohibition, Certiorari, and Quo Warranto.
• Article 21A, added by the 86th Amendment, guarantees free education for children aged 6 to 14.
• Directive Principles of State Policy are in Part IV, Articles 36 to 51, and are not enforceable in court.
• DPSPs were inspired by the Constitution of Ireland.
• Fundamental Rights borrowed inspiration mainly from the United States.
• Parliamentary system features came mainly from the United Kingdom.
• The Lok Sabha has a maximum strength of 552; its normal term is 5 years.
• The Rajya Sabha is a permanent house; one-third of members retire every 2 years.
• Money Bills can only originate in the Lok Sabha.
• The President is elected for a 5-year term by an electoral college.
• Every state has a Governor as head and a Chief Minister as the real executive.
• The Supreme Court was established under Article 124 and began functioning on 28 January 1950.
• High Courts are established under Article 214; the Calcutta High Court (1862) is the oldest.
• Article 226 gives High Courts writ jurisdiction that is wider in scope than the Supreme Court's Article 32 power.
• Constitutional amendments are made under Article 368.
• The basic structure doctrine came from the Kesavananda Bharati case, 1973.
• India's government is federal in structure with a unitary bias.
• The collegium system governs the appointment of judges to the Supreme Court and High Courts.
• Article 17 abolishes untouchability; Article 18 abolishes titles.
• Article 19 guarantees six freedoms, including speech and expression.

Memory Tables

Table 1: Fundamental Rights vs Directive Principles of State Policy

Feature	Fundamental Rights	Directive Principles of State Policy
Constitution Part	Part III	Part IV
Article range	12 to 35	36 to 51
Enforceable in court	Yes, through Article 32/226	No, per Article 37
Nature	Negative (restrain the state) mostly	Positive (direct the state) mostly
Inspired by	United States	Ireland
Example	Right to Equality (Article 14)	Uniform Civil Code (Article 44)
Number today	Six categories	Broad set of welfare and governance goals

Table 2: The Five Constitutional Writs

Writ	Meaning	Used for
Habeas Corpus	"You may have the body"	Produces a detained person before the court to test legality of detention
Mandamus	"We command"	Orders a public authority to perform its legal duty
Prohibition	Forbid	Stops a lower court/tribunal from exceeding its jurisdiction
Certiorari	To be certified	Quashes an order already passed beyond jurisdiction
Quo Warranto	"By what authority"	Questions a person's legal right to hold a public office

Table 3: Key Constitutional Dates and Amendments

Event	Detail
Constituent Assembly first meeting	9 December 1946
Constitution adopted	26 November 1949
Constitution enforced	26 January 1950
Supreme Court begins functioning	28 January 1950
Socialist, Secular added to Preamble	42nd Amendment, 1976
Right to Property removed from Fundamental Rights	44th Amendment, 1978
Right to Education inserted as Article 21A	86th Amendment
Basic structure doctrine established	Kesavananda Bharati case, 1973

Practice MCQs

Q1. On which date did the Constitution of India come into force? (a) 26 November 1949 (b) 15 August 1947 (c) 26 January 1950 (d) 9 December 1946

Q2. Who chaired the Drafting Committee of the Constituent Assembly? (a) Jawaharlal Nehru (b) Dr. Rajendra Prasad (c) Dr. B.R. Ambedkar (d) Sardar Vallabhbhai Patel

Q3. Which amendment inserted the words "Socialist" and "Secular" into the Preamble? (a) 44th Amendment (b) 42nd Amendment (c) 86th Amendment (d) 61st Amendment

Q4. How many Fundamental Rights are recognized under the Constitution today? (a) Seven (b) Five (c) Six (d) Eight

Q5. Which Article is known as the "heart and soul" of the Constitution? (a) Article 19 (b) Article 21 (c) Article 32 (d) Article 14

Q6. Which writ is used to produce a detained person before the court to check the legality of detention? (a) Mandamus (b) Habeas Corpus (c) Certiorari (d) Quo Warranto

Q7. Directive Principles of State Policy are contained in which Part of the Constitution? (a) Part III (b) Part IV (c) Part V (d) Part II

Q8. Which country's Constitution inspired India's Directive Principles of State Policy? (a) United States (b) United Kingdom (c) Ireland (d) Canada

Q9. Which right was removed from the list of Fundamental Rights by the 44th Amendment, 1978? (a) Right to Equality (b) Right to Property (c) Right to Freedom (d) Right against Exploitation

Q10. Which Article gives the President power to seek the Supreme Court's opinion on a matter of law or fact? (a) Article 32 (b) Article 226 (c) Article 143 (d) Article 124

Q11. Which of the following is the oldest High Court in India? (a) Bombay High Court (b) Madras High Court (c) Calcutta High Court (d) Allahabad High Court

Q12. Money Bills can originate only in which house of Parliament? (a) Rajya Sabha (b) Lok Sabha (c) Either house (d) State Legislative Assembly

Q13. The basic structure doctrine of the Constitution emerged from which case? (a) Golaknath case (b) Kesavananda Bharati case (c) Minerva Mills case (d) Maneka Gandhi case

Q14. Which Article was inserted by the 86th Amendment to guarantee free and compulsory education for children aged 6 to 14? (a) Article 21 (b) Article 21A (c) Article 45 (d) Article 24

Q15. Which writ questions the legal authority of a person holding a public office? (a) Prohibition (b) Certiorari (c) Quo Warranto (d) Mandamus

Answer Key

Q	Answer	One-line reason
1	(c)	The Constitution was adopted on 26 Nov 1949 but only enforced from 26 January 1950, the date now marked as Republic Day.
2	(c)	Dr. B.R. Ambedkar chaired the Drafting Committee and is called the chief architect of the Constitution.
3	(b)	The 42nd Amendment, 1976, inserted "Socialist" and "Secular" along with "Integrity" into the Preamble.
4	(c)	Right to Property was dropped by the 44th Amendment, 1978, leaving six Fundamental Rights today.
5	(c)	Ambedkar called Article 32, the Right to Constitutional Remedies, the heart and soul of the Constitution.
6	(b)	Habeas Corpus, literally "you may have the body," tests whether a detention is lawful.
7	(b)	DPSPs sit in Part IV, Articles 36 to 51, separate from Fundamental Rights in Part III.
8	(c)	The DPSPs were modeled on the Directive Principles found in the Irish Constitution.
9	(b)	Right to Property was removed from Part III and made a legal right under Article 300A by the 44th Amendment.
10	(c)	Article 143 gives the Supreme Court advisory jurisdiction on questions referred by the President.
11	(c)	The Calcutta High Court, established in 1862, is the oldest High Court in India.
12	(b)	Money Bills can be introduced only in the Lok Sabha; the Rajya Sabha can only recommend changes.
13	(b)	The Kesavananda Bharati case, 1973, established that Parliament cannot alter the Constitution's basic structure.
14	(b)	Article 21A, inserted by the 86th Amendment, guarantees free and compulsory education for ages 6 to 14.
15	(c)	Quo Warranto, meaning "by what authority," challenges a person's right to hold a public office.