LESSON 17.2 — Indian Constitution, Polity, Economy, Science, Geography + Logical Reasoning, Data Interpretation, Basic English

A. Standard Map

Topic	Governing Source	Exam Focus
Indian Constitution — parts & schedules	25 parts; 12 schedules; article count grows with amendments (~470 teaching figure)	Structure + original vs current
Fundamental Rights	Part III, Articles 12–35	6 rights + key articles
Directive Principles	Part IV, Articles 36–51	Nature + key articles
Fundamental Duties	Part IVA, Article 51A	Added by 42nd Amendment 1976
Union Executive	President, VP, PM, Council of Ministers	Constitutional heads
Parliament	Lok Sabha + Rajya Sabha	Composition + powers
Judiciary	Supreme Court + High Courts + Subordinate	Hierarchy
Indian economy	Sectors; GDP composition; RBI; monetary policy	Macro framework
Geography	Physical, social, economic	India in world context
Logical reasoning	Series, coding, analogy, syllogism	Question types
Data interpretation	Tables, bar charts, pie charts	Skills
Basic English	Grammar, vocabulary, comprehension	10th-class standard

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B. Why It’s Used

Paper I of the TGPSC exam covers general studies beyond Telangana (covered in Lesson 17.1). The topics span Indian Constitution and Polity (Paper I §10), Indian and World Geography (§6), Economic and Social Development of India (§5), General Science and India’s achievements (§3), Logical Reasoning and Analytical Ability (§14), Data Interpretation (§14), and Basic English (§15). This lesson is a primer — not a comprehensive GS course (that would fill a separate course), but covering the highest-yield items that intersect with a planner’s general awareness. The exam tests constitutional article identification, fundamental rights and duties, macroeconomic framework, reasoning patterns, and data interpretation arithmetic.

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C. Mechanism in Words

1. The Constitution of India, adopted on 26 November 1949 and effective 26 January 1950, is the supreme legal framework of the country. Originally with 395 articles in 22 parts and 8 schedules, it has grown through 100+ amendments to currently have about 470 articles in 25 parts and 12 schedules. The principal parts cover: Part I (Union and its territory), Part II (Citizenship), Part III (Fundamental Rights, Articles 12–35), Part IV (Directive Principles of State Policy, Articles 36–51), Part IVA (Fundamental Duties, Article 51A — added by the 42nd Amendment, 1976), Part V (Union — President, VP, PM, Council of Ministers, Parliament, Supreme Court, AG, CAG), Part VI (States — Governor, CM, Council of Ministers, State Legislature, High Court, Advocate General), Part IX (Panchayats — 73rd CAA), Part IX-A (Municipalities — 74th CAA), and Part XIV (Services under the Union and States). The schedules (1 to 12) cover: I (States and UTs); II (Emoluments); III (Oaths); IV (Allocations); V (Scheduled Areas); VI (NE Tribal Areas); VII (Lists — Union, State, Concurrent — covered in Lesson 9.1); VIII (Languages — 22 in 8th Schedule); IX (Certain central and state laws — added by 1st Amendment); IX-A (similar for certain state laws); X (Anti-defection — added by 52nd Amendment); XI (Panchayat subjects — 29); XII (Municipal subjects — 18).

2. Fundamental Rights (Part III, Articles 12–35) are enforceable in courts — distinct from Directive Principles which are not. The six fundamental rights: Right to Equality (Articles 14–18) — equality before law (Art 14); prohibition of discrimination (15); equality of opportunity in public employment (16); abolition of untouchability (17); abolition of titles (18). Right to Freedom (Articles 19–22) — six freedoms of speech, assembly, association, movement, residence, profession (19); protection in conviction (20); protection of life and personal liberty (21 — the most litigated article, source of many judicial expansions including the right to privacy, education, clean environment); protection against arrest (22). Right against Exploitation (Articles 23–24) — prohibition of traffic in human beings and forced labour (23); prohibition of child labour in factories (24). Right to Freedom of Religion (Articles 25–28) — freedom of conscience and religion (25); freedom to manage religious affairs (26); freedom from taxes for promotion of religion (27); freedom from religious instruction in state schools (28). Cultural and Educational Rights (Articles 29–30) — protection of language, script, culture of minorities (29); right of minorities to establish educational institutions (30). Right to Constitutional Remedies (Article 32) — the right to move the Supreme Court directly for enforcement of Fundamental Rights — described by Dr. Ambedkar as the “heart and soul” of the Constitution.

3. Directive Principles of State Policy (Part IV, Articles 36–51) are guidelines for governance but not enforceable in courts. They direct the state to work toward: equitable distribution of material resources (39); equal pay for equal work (39); protection of children and youth from exploitation (39); free legal aid (39A — added by 42nd Amendment); living wage for workers (43); participation of workers in management (43A); free and compulsory education for children (45 — now superseded by the 86th Amendment 2002 making it a Fundamental Right under Article 21A); improvement of public health (47); protection of environment and wildlife (48A — added by 42nd); promotion of international peace (51). The DPSPs have influenced legislation (MGNREGA from Article 39/41; RTE Act 2009 from Article 45/21A; environmental laws from Article 48A).

4. The Union Executive is led by the President of India (Articles 52–78). President — nominal head of state; elected by an electoral college of Parliament and State Legislatures; 5-year term; emergency powers (Articles 352, 356, 360 — National/State/Financial emergencies). Vice-President — Chairman of Rajya Sabha; elected by Parliament; succeeds President. Prime Minister — real head of government; leader of the majority party/coalition in Lok Sabha; appointed by President. Council of Ministers — headed by PM; collectively responsible to Lok Sabha; advice of Council binding on President (Article 74, post-42nd Amendment). Attorney General of India — first law officer of the country; appointed by President; appears on behalf of Government in court.

5. Parliament (Article 79) consists of the President + Lok Sabha + Rajya Sabha. Lok Sabha (House of the People) — currently 543 elected members + 2 Anglo-Indian nominated (until 2020 amendment abolished nominated); 5-year term; elected from single-member constituencies by universal adult franchise; the principal house for money bills. Rajya Sabha (Council of States) — 245 members (233 elected by state/UT legislatures + 12 nominated by President for literature, science, art, social service); permanent body (members serve 6-year terms with 1/3 retiring every 2 years); represents states; equal status with Lok Sabha on most matters except money bills and no-confidence motions. Parliamentary legislation requires majority in both houses + Presidential assent. The President can issue Ordinances (Article 123) when Parliament is not in session, with the same force as laws.

6. The Judiciary is hierarchical. Supreme Court of India (Articles 124–147) — the highest court; original jurisdiction (federal disputes, fundamental rights), appellate jurisdiction (constitutional, civil, criminal appeals from High Courts), advisory jurisdiction (advisory opinions to President), special leave petitions (Article 136); currently 34 judges including the Chief Justice of India (CJI). High Courts (Articles 214–231) — one per state (some serve multiple states/UTs); 25 High Courts; original and appellate jurisdiction. Subordinate Courts — district and sessions courts; magistrate courts; family courts; consumer courts; tribunals. The basic structure doctrine (Kesavananda Bharati case, 1973) holds that Parliament cannot amend the Constitution’s “basic structure” — even by constitutional amendment.

7. The Indian economy has three principal sectors. Agriculture — roughly mid-teens % of GDP; still the largest employment share (~two-fifths of workforce; figures move yearly — see C4); major crops: rice, wheat, sugarcane, cotton, pulses, oilseeds. Industry — roughly a quarter of GDP; manufacturing, mining, construction, utilities; major industries: textiles, steel, IT hardware, automobiles, pharmaceuticals (Hyderabad is a major pharma hub). Services — about half or more of GDP; IT (a Hyderabad/Bangalore strength), finance, real estate, transport, public administration, defence, healthcare, education, hospitality. The Reserve Bank of India (RBI, 1935) is the central bank — issues currency, sets monetary policy (repo rate, reverse repo), regulates banks, manages foreign exchange. The Monetary Policy Committee (MPC, 2016) sets the policy repo rate to target 4% inflation (+/- 2%). The NITI Aayog (2015, replacing Planning Commission — Lesson 2.1) is the government’s policy think-tank. GDP growth in recent years has averaged 6–8%.

8. Logical reasoning questions test pattern recognition and deduction. Common question types: series (number or letter — find the next); coding-decoding (if CAT = 24, then DOG = ?); analogy (Doctor : Hospital :: Teacher : ?); syllogism (All cats are mammals; all mammals are animals; therefore all cats are animals); blood relations (A is B’s father…); direction sense (Rama walks 3 km north, then 4 km east; how far is she from start?); ranking (X is 7th from the top in a class of 40; what is his rank from the bottom?). Practice is the only way to build speed — about 1 minute per question.

9. Data Interpretation (DI) requires extracting information from tables, bar charts, pie charts, and line graphs. Typical DI question: a table showing the population, area, and density of 5 cities; questions ask: which city has highest density; what is the ratio of A’s population to B’s; if city X grew by 10% in 5 years, what is its new population? The arithmetic is usually simple (percentages, ratios, averages) but time pressure is intense. Strategy: read the questions first, then look for the specific data needed. Practise with at least 50 DI sets before the exam.

10. Basic English (10th-class standard) tests grammar, vocabulary, and comprehension. Grammar: tenses, articles, prepositions, conjunctions, voice (active/passive), narration (direct/indirect), sentence correction. Vocabulary: synonyms, antonyms, common idioms. Comprehension: read a short passage and answer questions on its content. The level is deliberately 10th-class, not college — the test is breadth, not depth.

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D. Core Concept Explanations

C1. Constitution — high-level structure

Element	Detail
Adopted	26 November 1949
Effective	26 January 1950 (Republic Day)
Parts	25 (originally 22)
Articles	~470 (originally 395)
Schedules	12 (originally 8)
Amendments	100+ (current)

C2. Fundamental Rights — 6 rights with key articles

Right	Articles	Key article
Equality	14–18	14 (equality before law); 17 (abolition of untouchability)
Freedom	19–22	19 (6 freedoms); 21 (life and personal liberty)
Against Exploitation	23–24	23 (against trafficking/forced labour); 24 (child labour)
Freedom of Religion	25–28	25 (freedom of conscience)
Cultural and Educational	29–30	30 (minority institutions)
Constitutional Remedies	32	32 (move SC for enforcement) — “heart and soul” (Ambedkar)

C3. Fundamental Duties (Article 51A)

#	Duty
1	Abide by Constitution; respect National Flag and Anthem
2	Cherish ideals of freedom struggle
3	Uphold sovereignty, unity, integrity
4	Defend country
5	Promote harmony; renounce derogatory practices against women
6	Preserve our rich heritage
7	Protect natural environment
8	Develop scientific temper
9	Safeguard public property
10	Strive for excellence
11 (added by 86th Amendment 2002)	Provide education to children 6–14

C4. Economy — sectoral composition

Sector	GDP share (illustrative)	Employment share (illustrative)
Agriculture	~15–18%	~40–45%
Industry	~25–28%	~20–25%
Services	~50–55%+	~30–35%

C5. Judiciary hierarchy

Court	Article	Jurisdiction
Supreme Court	124–147	Original, appellate, advisory, special leave
High Court	214–231	Original, appellate (per state)
Subordinate	—	District and sessions; magistrate

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E. Worked Numericals and Parameter Tables

E1. Logical reasoning — direction sense

A person walks 3 km north, then 4 km east. Distance from start = √(3² + 4²) = √25 = 5 km (Pythagorean triple).

E2. Logical reasoning — series

Find the next number in: 2, 6, 12, 20, 30, ?

• Differences: 4, 6, 8, 10 → next difference 12 → next number = 30 + 12 = 42.

E3. Data Interpretation — table

Population of cities: A = 200,000; B = 300,000; C = 500,000; D = 1,000,000.

• Highest: D
• Ratio A : C = 200/500 = 2:5
• Total = 2,000,000
• A’s share = 200,000 / 2,000,000 = 10%

E4. Pie chart

If C = 500,000 and is shown as 90° in a pie chart of 2,000,000 total:

• 90/360 = 25% — confirmed (500,000/2,000,000 = 25%).

E5. Percentage computation

If a city’s population grows from 100,000 to 121,000 in 2 years:

• Growth rate per year (compound) = (121,000/100,000)^(1/2) − 1 = √1.21 − 1 = 1.1 − 1 = 0.10 = 10% per year.

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F. Design Criteria

Parameter	Standard / Typical value	Source
Constitution adopted	26 November 1949	Constitution
Constitution effective	26 January 1950	Constitution
Parts (current)	25	Constitution
Articles (current approx)	470	Constitution
Schedules	12	Constitution
Fundamental Rights	6 (Articles 12–35)	Constitution Part III
DPSPs	Articles 36–51	Constitution Part IV
Fundamental Duties	11 (Article 51A, added by 42nd Amendment 1976; 11th added by 86th Amendment 2002)	Constitution Part IVA
Languages in 8th Schedule	22	Constitution
Lok Sabha strength	543 elected	Constitution
Rajya Sabha strength	245 (233 elected + 12 nominated)	Constitution
SC judges (current)	34 (including CJI)	Constitution + practice
RBI established	1935	RBI Act 1934
MPC established	2016	RBI Act amendment
Inflation target	4% ± 2%	MPC framework

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G. Application Zones

1. Working knowledge of constitutional provisions that govern urban planning (73rd/74th CAA — Lessons 7.2 and 9.1).
2. Reasoning + DI skills for any planning analysis requiring numerical work.
3. General awareness for state-PSC exams and professional decision-making.
4. English fluency for drafting plans, reports, and correspondence.

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H. Common Confusions

Confusion	Reality
“Fundamental Rights and DPSPs are equally enforceable.”	No — Fundamental Rights are enforceable in courts; DPSPs are not (they are guidelines).
“Article 21 is about freedom of speech.”	No — Article 21 is life and personal liberty; Article 19(1)(a) is freedom of speech.
“Fundamental Duties are enforceable.”	Generally no — they are moral obligations, not enforceable (though some have been incorporated into specific laws).
“Lok Sabha is permanent.”	No — Lok Sabha has a 5-year term; Rajya Sabha is permanent (1/3 retiring every 2 years).
“RBI was established post-independence.”	No — RBI was established in 1935 (pre-independence; under British rule).
“Agriculture employs the largest share of workforce but produces the smallest GDP share.”	Correct — agriculture’s GDP share is much lower than its employment share (see C4 ranges) — a key Indian structural feature.
“Basic structure doctrine was established in the Kesavananda Bharati case of 1973.”	Correct — Parliament cannot amend the basic structure.

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I. Compare & Contrast

I1. Fundamental Rights vs DPSPs

Dimension	Fundamental Rights	DPSPs
Part	III	IV
Articles	12–35	36–51
Enforceable in court	Yes	No
Purpose	Limit state power; protect individuals	Guide state policy

I2. Lok Sabha vs Rajya Sabha

Dimension	Lok Sabha	Rajya Sabha
Type	Lower House	Upper House
Term	5 years	Permanent (1/3 retires every 2 years)
Members	543 elected	233 elected + 12 nominated
Money bills	Exclusive	Limited (14 days only)
Represents	People	States

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J. Memory Hooks

• “26 Nov 1949 adopted; 26 Jan 1950 effective” — Constitution dates.
• “25 parts, 12 schedules, ~470 articles” — current structure.
• “EFRECC” — Equality, Freedom, against Exploitation, Religion, Cultural/Educational, Constitutional Remedies (6 Fundamental Rights).
• “42nd Amendment = mini-Constitution; added Fundamental Duties; 1976”.
• “Article 21 = life + personal liberty; Article 19 = 6 freedoms; Article 32 = constitutional remedies”.
• “Lok Sabha 543; Rajya Sabha 245 (233 + 12)”.
• “RBI 1935; MPC 2016; inflation target 4% ± 2%”.
• “Agriculture 17% GDP, 43% workforce” — India’s structural feature.

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K. Revision Ladder

Order	Item	Time
1	Memorise Constitution dates (adopted/effective)	15 min
2	Memorise parts/schedules/articles count	20 min
3	Memorise 6 Fundamental Rights with key articles	45 min
4	Memorise Fundamental Duties (11)	30 min
5	Memorise DPSPs vs Fundamental Rights distinction	30 min
6	Memorise Union Executive structure	45 min
7	Memorise Parliament structure (Lok Sabha vs Rajya Sabha)	30 min
8	Memorise Judiciary hierarchy	30 min
9	Memorise economy sectoral composition	20 min
10	Practise reasoning and DI sets	ongoing

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L. Exam Traps

Trap	Correct response
Question pairs Fundamental Rights with non-enforceable.	False — Fundamental Rights are enforceable; DPSPs are not.
Question pairs Article 21 with freedom of speech.	False — Article 21 is life and personal liberty; Article 19 is freedoms.
Question lists Fundamental Duties as added by 44th Amendment.	False — added by the 42nd Amendment (1976).
Question pairs Lok Sabha with permanent body.	False — Lok Sabha has 5-year term; Rajya Sabha is permanent.
Question pairs RBI with post-independence establishment.	False — RBI was 1935 (pre-independence).
Question lists agriculture as 17% of employment.	False — agriculture’s employment share is much higher than its GDP share (do not swap the two).
Question pairs MPC with 2010.	False — MPC was established in 2016.

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M. Answer-Writing Cues

• For constitutional questions, cite Part + Article: “Per Article 21 of Part III (Fundamental Rights), no person shall be deprived of his life or personal liberty except according to procedure established by law.”
• For polity questions, sequence the institutions: President → PM → Council of Ministers → Parliament.
• For economy questions, give the sectoral shares + key institutions.

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N. PYQ Integration

Pattern questions only:

Pattern question 1 — Constitution

Q. The Constitution of India was adopted on:
– (A) 15 August 1947
– (B) 26 January 1950
– (C) 26 November 1949 ✓
– (D) 1 November 1956

Ans: (C). Adopted 26 November 1949; effective 26 January 1950.

Pattern question 2 — Fundamental Right

Q. The Right to Life and Personal Liberty is guaranteed under which article of the Constitution?
– (A) Article 14
– (B) Article 19
– (C) Article 21 ✓
– (D) Article 32

Ans: (C). Article 21 — “No person shall be deprived of his life or personal liberty except according to procedure established by law.”

Pattern question 3 — Fundamental Duties

Q. Fundamental Duties were added to the Constitution by the:
– (A) 1st Amendment, 1951
– (B) 42nd Amendment, 1976 ✓
– (C) 44th Amendment, 1978
– (D) 86th Amendment, 2002

Ans: (B). 42nd Amendment (1976), the “mini-Constitution,” added Part IVA (Fundamental Duties).

Pattern question 4 — MSQ

Q. Which of the following are Fundamental Rights under Part III of the Constitution?
– (A) Right to Equality ✓
– (B) Right to Freedom ✓
– (C) Right to Property
– (D) Right against Exploitation ✓

Ans: (A), (B), (D). Right to Property was removed from Fundamental Rights by the 44th Amendment (1978) — it is now a legal right under Article 300A.

Pattern question 5 — Reasoning

A person walks 3 km north, then 4 km east. How far is he from the starting point?
– (A) 3 km
– (B) 4 km
– (C) 5 km ✓
– (D) 7 km

Ans: (C). √(3² + 4²) = √25 = 5 km (Pythagorean).

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O. Mini-Check — Lesson 17.2

1. State the dates the Constitution was adopted and became effective.
2. How many parts and schedules does the current Constitution have?
3. List the six Fundamental Rights with their article ranges.
4. State the article for “life and personal liberty” and for “constitutional remedies.”
5. When and by which amendment were Fundamental Duties added?
6. State the strength of the Lok Sabha and the Rajya Sabha.
7. Which is the permanent house of Parliament?
8. Who is the chief executive of the Indian government — the President or the Prime Minister?
9. State the year the RBI was established and the year the MPC was set up.
10. State the share of agriculture in India’s GDP and in employment.

Answers:
1. Adopted 26 November 1949; effective 26 January 1950.
2. 25 parts; 12 schedules (originally 22 parts, 8 schedules).
3. Right to Equality (14–18); Right to Freedom (19–22); Right against Exploitation (23–24); Right to Freedom of Religion (25–28); Cultural and Educational Rights (29–30); Right to Constitutional Remedies (32).
4. Article 21 (life and personal liberty); Article 32 (constitutional remedies — Ambedkar called it the “heart and soul” of the Constitution).
5. 42nd Amendment, 1976 — added Part IVA (Fundamental Duties).
6. Lok Sabha: 543 elected (+ 2 Anglo-Indian nominated, now abolished). Rajya Sabha: 245 (233 elected + 12 nominated).
7. Rajya Sabha (1/3 retires every 2 years; members serve 6-year terms; the body is permanent). Lok Sabha has a 5-year term.
8. The Prime Minister — the President is the nominal head; the PM is the real chief executive.
9. RBI: 1935 (pre-independence). MPC: 2016 (under the RBI Act amendment; sets policy repo rate to target 4% inflation ± 2%).
10. Agriculture’s GDP share is much lower than its employment share (see C4 ranges; do not memorise a single year’s %) — a major Indian structural feature.

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