NCERT Solutions for Class 12 Political Science Chapter 2: Era of One-Party Dominance (NCERT 2026–27)

These Class 12 Political Science Chapter 2 solutions cover Era of One-Party Dominance from Politics in India Since Independence, the NCERT textbook for the 2026–27 session. The chapter examines the first decade of electoral politics in India — the establishment of free and fair elections, the dominance of the Congress party in the first three general elections, the nature of the ‘Congress system’ as a social and ideological coalition, and the emergence of opposition parties such as the Socialist Party, the CPI, the Bharatiya Jana Sangh and the Swatantra Party. Below you get step-by-step answers to every NCERT exercise question, key concepts, extra practice, MCQs, Assertion–Reason and FAQs.

Class: 12 Subject: Political Science Book: Politics in India Since Independence Chapter: 2 Chapter Name: Era of One-Party Dominance Session: 2026–27
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Class 12 Political Science Chapter 2 – Overview

Chapter 2, Era of One-Party Dominance, studies the first decade of electoral politics in independent India. It opens with the challenge of building democracy and the mammoth task of holding the first general elections (1951–52) — the Election Commission was set up in 1950 with Sukumar Sen as the first Chief Election Commissioner, electoral rolls were prepared, and universal adult franchise was used for 17 crore mostly illiterate voters. Hailed as “the biggest gamble in history,” the election proved the sceptics wrong and became a landmark for democracy worldwide. The Congress won the first three general elections (1952, 1957, 1962) by huge margins, helped by its legacy of the national movement, its charismatic leader Jawaharlal Nehru, its nationwide organisation, and the first-past-the-post system. The chapter explains the nature of Congress dominance — achieved under democratic conditions, unlike one-party states such as China or Cuba — and the idea of the ‘Congress system’, in which the Congress acted as both ruling party and opposition by accommodating diverse factions. It closes by surveying the opposition parties — the Socialist Party, the Communist Party of India (which formed a government in Kerala in 1957), the Bharatiya Jana Sangh and the Swatantra Party — whose presence kept the system democratic.

Key Concepts & Terms

One-party dominance: a situation in which a single party wins election after election and controls government for a long period. In India this happened under democratic conditions through free and fair elections, unlike one-party states like China, Cuba or Syria where the constitution permits only one party.

Universal adult franchise: the right of every adult citizen to vote, irrespective of caste, creed, religion, gender, education or wealth. India adopted it from the very first election — a bold step for a poor and largely illiterate country.

First-past-the-post (FPTP) system: the electoral method in which the candidate with the most votes in a constituency wins. It tends to give the largest party many more seats than its proportional share — in 1952 the Congress won 45% of votes but about 74% of the seats.

The ‘Congress system’: a term used by political scientist Rajni Kothari to describe how, in the first decade, the Congress functioned as both the ruling party and the opposition by accommodating rival groups and ideologies within itself.

Factions: groups within a party that hold different views or pursue different ambitions. In the Congress, factionalism became a strength — rivals stayed inside and fought within the party rather than leaving to form opposition parties.

Social and ideological coalition: the Congress was a ‘rainbow-like’ coalition that brought together diverse classes, castes, religions, languages and interests, and accommodated conservatives and radicals, the right, left and centre — making it a broad, centrist party.

Key parties: Socialist Party (democratic socialism; grew out of the Congress Socialist Party of 1934); Communist Party of India (CPI, formed a government in Kerala in 1957; split in 1964 into CPI and CPI-M); Bharatiya Jana Sangh (founded 1951, one country–one culture–one nation; ancestor of the BJP); and the Swatantra Party (favoured an economy free from State control).

Key people: Sukumar Sen (first Chief Election Commissioner), Jawaharlal Nehru (first Prime Minister), E.M.S. Namboodiripad (first Communist Chief Minister, Kerala), Shyama Prasad Mukherjee (founder of the Jana Sangh), Acharya Narendra Dev and Rammanohar Lohia (socialist leaders), and A.K. Gopalan and S.A. Dange (Communist leaders).

NCERT Exercise — Full Solutions

All questions below are reproduced verbatim from the NCERT textbook’s end-of-chapter Exercises. Answers are original, written in CBSE exam-ready style.

1. Choose the correct option to fill in the blanks.

(a) The First General Elections in 1952 involved simultaneous elections to the Lok Sabha and …………………….(The President of India/ State Assemblies/ Rajya Sabha/ The Prime Minister)

(b) The party that won the second largest number of Lok Sabha seats in the first elections was the…………………….(Praja Socialist Party/ Bharatiya Jana Sangh/ Communist Party of India/Bharatiya Janata Party)

(c) One of the guiding principles of the ideology of the Swatantra Party was…………………….(Working class interests/ protection of Princely States / economy free from State control / Autonomy of States within the Union)

ANSWER (a) State Assemblies — the 1952 general elections were held simultaneously for the Lok Sabha and the State (Legislative) Assemblies. (b) Communist Party of India — the CPI won 16 seats, the second largest number after the Congress, and emerged as the largest opposition party. (c) Economy free from State control — the Swatantra Party opposed state intervention and favoured free enterprise and a market economy.

2. Match the following leaders listed in List A with the parties in List B.

ANSWER
List A (Leader)List B (Party)
(a) S. A. Dange(iv) Communist Party of India
(b) Shyama Prasad Mukherjee(i) Bharatiya Jana Sangh
(c) Minoo Masani(ii) Swatantra Party
(d) Asoka Mehta(iii) Praja Socialist Party
Thus: (a)–(iv), (b)–(i), (c)–(ii), (d)–(iii).

3. Four statements regarding one-party dominance are given below. Mark each of them as true or false.

(a) One-party dominance is rooted in the absence of strong alternative political parties.

(b) One-party dominance occurs because of weak public opinion.

(c) One-party dominance is linked to the nation’s colonial past.

(d) One-party dominance reflects the absence of democratic ideals in a country.

ANSWER (a) True. In the first decade, opposition parties were small and divided; there was no single strong alternative to the Congress, which allowed it to dominate. (b) False. Indian public opinion was active and elections were keenly contested; Congress dominance was not caused by weak public opinion but by the Congress’s organisation and legacy. (c) True. The Congress inherited the legacy of the freedom struggle and the national movement; this colonial-era background gave it the ‘first off the blocks’ advantage over newly formed parties. (d) False. In India one-party dominance occurred under democratic conditions — through free and fair elections in which many parties competed — so it did not reflect the absence of democratic ideals.

4. Take a political map of India (with State outlines) and mark:

(a) two states where Congress was not in power at some point during 1952-67.

(b) two states where the Congress remained in power through this period.

ANSWER This is a map activity; describe and locate the states. (No image is provided here; the answer is given in words.) (a) Two states where the Congress was not in power at some point during 1952–67: Kerala (a CPI-led government under E.M.S. Namboodiripad came to power in 1957) and Madras (today’s Tamil Nadu) region, where the Congress did not win a majority of seats in the early assembly elections (the DMK won Madras in 1967). Other valid examples include Orissa and Travancore-Cochin, where the Congress did not get a majority initially. (b) Two states where the Congress remained in power through this period: Uttar Pradesh and Madhya Pradesh — large Hindi-belt states where the Congress held power continuously through 1952–67. (Maharashtra and Gujarat after 1960 are also acceptable.) To mark them on the map: shade the ‘not in power’ states (Kerala, Madras) in one colour and label them, and shade the ‘Congress in power’ states (Uttar Pradesh, Madhya Pradesh) in a different colour, adding a key.

5. Read the following passage and answer the questions below:

“Patel, the organisational man of the Congress, wanted to purge the Congress of other political groups and sought to make of it a cohesive and disciplined political party. He …. sought to take the Congress away from its all-embracing character and turn it into a close-knit party of disciplined cadres. Being a ‘realist’ he looked more for discipline than for comprehension. While Gandhi took too romantic a view of “carrying on the movement,” Patel’s idea of transforming the Congress into strictly political party with a single ideology and tight discipline showed an equal lack of understanding of the eclectic role that the Congress, as a government, was to be called upon to perform in the decades to follow.” — Rajni Kothari

(a) Why does the author think that Congress should not have been a cohesive and disciplined party?

(b) Give some examples of the eclectic role of the Congress party in the early years.

(c) Why does the author say that Gandhi’s view about Congress’ future was romantic?

ANSWER (a) The author, Rajni Kothari, believes the Congress should not have become a cohesive, tightly disciplined party of cadres with a single ideology because its real strength lay in its all-embracing, inclusive character. The Congress had to act as a broad social and ideological coalition that accommodated diverse and even conflicting interests. Turning it into a narrow, single-ideology party would have destroyed this coalitional nature and made it unfit for the eclectic (wide-ranging, accommodating) role it had to perform as the party of government in a vast and diverse country. (b) Examples of the eclectic role of the Congress: it was a ‘platform’ that brought together peasants and industrialists, workers and owners, upper and lower castes, and people of different religions and languages. It accommodated conservatives and radicals, extremists and moderates, and all shades of the right, left and centre. It tolerated and even encouraged internal factions, allowing many groups and even parties (like the Congress Socialist Party) to function within it. As a government it balanced rival interests, struck compromises, and absorbed different ideological positions — for example adopting the goal of a ‘socialist pattern of society’ in 1955 while still favouring a mixed economy. (c) The author calls Gandhi’s view ‘romantic’ because Gandhi wished to keep the Congress as a vehicle for ‘carrying on the movement’ — an idealistic, sentimental notion of a continuing mass movement — rather than recognising that after Independence the Congress would have to become a party of government and perform a practical, eclectic governing role. Gandhi’s view did not fully grasp this changed reality, just as Patel’s opposite view (a disciplined single-ideology party) also failed to understand it.

Extra Practice Questions

Short Answer Type Questions

Q1. Who was the first Chief Election Commissioner of India, and when was the Election Commission set up?

ANSWERThe Election Commission of India was set up in January 1950 and Sukumar Sen became the first Chief Election Commissioner. He oversaw the enormous task of holding India’s first general elections in 1951–52 for about 17 crore voters, most of whom were illiterate.

Q2. Why was the first general election of 1952 called “the biggest gamble in history”?

ANSWERAn Indian editor called it “the biggest gamble in history” because India adopted universal adult franchise for a huge, poor and mostly illiterate electorate — something never tried on this scale. Critics doubted that free and fair elections could succeed in such conditions. The successful election proved them wrong and became a landmark in the history of democracy.

Q3. How did the first-past-the-post system help the Congress?

ANSWERUnder the first-past-the-post system, the party with the most votes in a constituency wins, gaining far more than its proportional share. In 1952 the Congress obtained only 45% of the votes but won 74% of the seats, because the larger non-Congress vote was divided among many rival parties. This electoral system artificially boosted Congress dominance.

Q4. What was special about the 1957 Kerala election?

ANSWERIn the 1957 Kerala assembly elections the Communist Party won the largest number of seats (60 of 126) and, with the support of five independents, formed the government under E.M.S. Namboodiripad. It was the first time in the world that a Communist party government came to power through democratic elections. In 1959 the Centre dismissed this government under Article 356, a controversial decision widely cited as a misuse of emergency powers.

Q5. Name the four major opposition parties of the 1950s and one identifying feature of each.

ANSWER(i) Socialist Party — believed in democratic socialism; grew out of the Congress Socialist Party of 1934. (ii) Communist Party of India (CPI) — inspired by the Bolshevik revolution; the largest opposition party in 1952. (iii) Bharatiya Jana Sangh — founded in 1951, stood for one country, one culture, one nation; ancestor of the BJP. (iv) Swatantra Party — favoured an economy free from state control and free enterprise.

Long Answer Type Questions

Q1. Explain the factors responsible for the dominance of the Congress party in the first three general elections.

ANSWERSeveral factors explain the Congress’s dominance from 1952 to 1962. Legacy of the national movement: the Congress was seen as the inheritor of the freedom struggle, and many of its candidates had been leaders of that struggle, giving it the ‘first off the blocks’ advantage over parties formed only around Independence. Nationwide organisation: it was the only party with an organisational network spread across the whole country down to the local level. Charismatic leadership: in Jawaharlal Nehru the party had the most popular and charismatic leader, who toured and led every campaign. Inclusive, coalitional character: as a ‘rainbow-like’ social and ideological coalition, it accommodated diverse classes, castes, religions and ideologies, leaving little space for rivals. The first-past-the-post system: it converted a 45% vote share into 74% of the seats because non-Congress votes were split. Together these factors made the Congress dominant while elections remained free and fair.

Q2. What was the ‘Congress system’? How did the management of factions contribute to it?

ANSWERThe ‘Congress system’, a term associated with Rajni Kothari, describes how in the first decade of electoral politics the Congress acted as both the ruling party and the opposition. Because the Congress was a broad coalition, almost every interest and ideology found space within it, and it occupied the centrist ground. Factions — groups inside the party based on ideology or on personal ambitions and rivalries — were tolerated and even encouraged. Since rival leaders could fight one another within the party rather than leaving to form opposition parties, the system of factions worked as a balancing mechanism: political competition took place inside the Congress itself. Opposition parties, far removed from real authority, mainly tried to influence these factions from the margins. This factionalism, instead of being a weakness, became a source of strength, keeping diverse leaders inside the party and making the Congress appear a grand centrist party — the essence of the ‘Congress system’.

Q3. How was the Congress dominance in India different from one-party rule in other countries? Why was the presence of opposition parties important?

ANSWERDifference from other one-party states: in countries like China, Cuba and Syria the constitution permits only a single party, and in others like Myanmar, Belarus or Egypt one-party rule was ensured by legal and military measures — that is, by compromising democracy. The Congress dominance in India was wholly different because it happened under democratic conditions: many parties contested free and fair elections, yet the Congress won repeatedly. This was similar to the dominance of the African National Congress in post-apartheid South Africa. Importance of opposition parties: though they won only token representation, the diverse and vibrant opposition parties played a crucial role in keeping the system democratic. They offered sustained and principled criticism of Congress policies, kept the ruling party under check, often changed the balance of power within the Congress, and groomed leaders who would later shape the country. By keeping democratic alternatives alive, they prevented public resentment from turning anti-democratic.

MCQs & Assertion–Reason

1. Who was the first Chief Election Commissioner of India?

(a) T.N. Seshan    (b) Sukumar Sen    (c) Rajendra Prasad    (d) B.R. Ambedkar

2. India’s first general elections were finally held during:

(a) October 1951 to February 1952    (b) January to June 1950    (c) 1953    (d) 1955

3. In the first Lok Sabha, the Congress won about how many of the 489 seats?

(a) 489    (b) 16    (c) 364    (d) 245

4. In 1952 the Congress obtained about 45% of the votes but won roughly what share of the seats?

(a) 45%    (b) 60%    (c) 74%    (d) 90%

5. The first Communist government to come to power through democratic elections was formed in:

(a) West Bengal    (b) Kerala    (c) Andhra Pradesh    (d) Tripura

6. The Bharatiya Jana Sangh was founded in 1951 by:

(a) Deen Dayal Upadhyaya    (b) Shyama Prasad Mukherjee    (c) Balraj Madhok    (d) Rammanohar Lohia

7. The term ‘Congress system’ is associated with the political scientist:

(a) Rajni Kothari    (b) Atul Kohli    (c) Granville Austin    (d) Myron Weiner

8. The Congress Socialist Party was formed within the Congress in:

(a) 1885    (b) 1934    (c) 1948    (d) 1951

9. The Communist Party of India split in 1964 mainly because of the ideological rift between:

(a) India and Pakistan    (b) the Soviet Union and China    (c) the USA and the USSR    (d) Congress and the Socialists

10. One of the guiding principles of the Swatantra Party was:

(a) working-class interests    (b) protection of princely states    (c) an economy free from State control    (d) autonomy of states within the Union

Answer key: 1-(b), 2-(a), 3-(c), 4-(c), 5-(b), 6-(b), 7-(a), 8-(b), 9-(b), 10-(c).

For each Assertion–Reason question, choose: (A) Both true and the Reason correctly explains the Assertion; (B) Both true but the Reason is not the correct explanation; (C) Assertion true, Reason false; (D) Assertion false, Reason true.

A-R 1. Assertion: The first general election of 1952 became a landmark in the history of democracy.

Reason: It proved that democratic elections could be held even in conditions of poverty and illiteracy.

A-R 2. Assertion: The Congress won three out of every four seats in 1952 because it secured a majority of the total votes.

Reason: The first-past-the-post system gives the largest party many more seats than its proportional share of votes.

A-R 3. Assertion: Congress dominance in India was different from one-party rule in countries like China and Cuba.

Reason: In India the Congress dominated under democratic conditions of free and fair elections, while elsewhere one-party rule compromised democracy.

A-R 4. Assertion: Factionalism became a strength rather than a weakness of the Congress.

Reason: Rival leaders fought one another within the Congress instead of leaving to form opposition parties, keeping competition inside the party.

A-R 5. Assertion: The presence of opposition parties was important even though they won only token representation.

Reason: Opposition parties offered sustained criticism of the Congress and kept democratic alternatives alive.

Answer key: 1-(A), 2-(D), 3-(A), 4-(A), 5-(A).

Exam Tips & Common Mistakes

How to score full marks in this chapter

Memorise the key facts and figures — the Election Commission set up in 1950, Sukumar Sen as first CEC, the 1951–52 election, the Congress winning 364 of 489 seats with the CPI second on 16, and the 45% votes → 74% seats statistic that illustrates the first-past-the-post effect. Learn the three reasons for Congress dominance (legacy of the national movement, nationwide organisation, Nehru’s charisma) and be able to explain the ‘Congress system’ with the idea of factions. For the difference from other one-party states, stress the phrase “under democratic conditions.” Use named examples — the 1957 Kerala Communist government, the Socialist Party, the Jana Sangh, the Swatantra Party — to show depth in 5- and 6-mark answers.

Common mistakes to avoid

  • Confusing a one-party dominant system (India, democratic) with a one-party state (China, Cuba, where only one party is allowed).
  • Saying the Congress won a majority of votes in 1952 — it won only about 45% of votes but 74% of seats.
  • Wrongly naming the Praja Socialist Party or Jana Sangh as the second largest party in 1952 — it was the CPI (16 seats).
  • Forgetting that the 1952 election was held simultaneously for the Lok Sabha and State Assemblies.
  • Mixing up the parties’ ideologies — Swatantra (free market), Socialist (democratic socialism), Jana Sangh (one nation–one culture), CPI (communism).
  • Treating factionalism as only a weakness — in the ‘Congress system’ it actually became a strength.

Frequently Asked Questions

What is Chapter 2 of Class 12 Political Science (Politics in India Since Independence) about?

Chapter 2, Era of One-Party Dominance, covers the first decade of electoral politics in India — the conduct of the first free and fair general elections (1951–52), the dominance of the Congress party in the first three elections, the nature of the ‘Congress system’ and its factions, and the emergence of opposition parties such as the Socialist Party, the CPI, the Bharatiya Jana Sangh and the Swatantra Party.

Why did the Congress dominate the first three general elections?

The Congress dominated because it inherited the legacy of the national movement, was the only party with a nationwide organisation, had a charismatic leader in Jawaharlal Nehru, functioned as an inclusive social and ideological coalition, and benefited from the first-past-the-post system, which turned 45% of votes in 1952 into about 74% of the seats.

How was Congress dominance different from one-party rule in other countries?

In countries like China, Cuba and Syria only one party is constitutionally allowed, so dominance is achieved by compromising democracy. The Congress dominance in India was different because it happened under democratic conditions — many parties contested free and fair elections, yet the Congress kept winning, much like the African National Congress in post-apartheid South Africa.

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