The Bihar Land Reforms Act, 1950, which abolished zamindari, was challenged in which landmark case, leading eventually to the First Constitutional Amendment?

Kameshwar Singh v. State of Bihar

Kesavananda Bharati v. State of Kerala

Kameshwar Singh v. State of Bihar

Champakam Dorairajan v. State of Madras

Bihar after Independence

When India became free in 1947, Bihar had to build a modern state almost from scratch — its schools, dams, factories and politics. This chapter follows that journey: the leaders who laid the foundations, a son of Bihar who became India's first President, a mass movement that shook the whole country, a Chief Minister remembered as the "People's Hero", and the day in 2000 when the state was split in two. These are exactly the names and dates BPSC loves to ask.

The Founders of Modern Bihar

After independence in 1947, Dr. Sri Krishna Sinha (also written Shri Krishna Singh), popularly called "Bihar Kesari" (Lion of Bihar), became the first Chief Minister of Bihar. His close colleague Anugrah Narayan Sinha became the first Deputy Chief Minister (and finance minister). Together they are honoured as "Bihar Vibhuti" — the architects of modern Bihar.

ℹ️ A duo, not a rivalry

Sri Krishna Sinha and Anugrah Narayan Sinha worked as a famous team in Bihar's early years. In exams they are often paired: CM = Sri Krishna Sinha, Deputy CM = Anugrah Narayan Sinha.

Bihar also gave the nation its first President. Dr. Rajendra Prasad, born in Bihar, became the first President of India in 1950, when India became a Republic. He had earlier presided over the Constituent Assembly that framed our Constitution.

Bihar's "firsts" after independence
Position	Person
First Chief Minister of Bihar	Dr. Sri Krishna Sinha ("Bihar Kesari")
First Deputy Chief Minister of Bihar	Anugrah Narayan Sinha
First President of India	Dr. Rajendra Prasad (from Bihar)

Land Reforms & the First Constitutional Amendment

One of the first Chief Minister Sri Krishna Sinha's biggest achievements was abolishing the zamindari (landlord) system. Bihar passed the Bihar Land Reforms Act, 1950, becoming one of the first states in India to legislate against zamindari.

Zamindars challenged the Act in court — the landmark case being Kameshwar Singh (the Maharajadhiraja of Darbhanga) v. State of Bihar, where the Patna High Court struck down parts of the Act as violating the Fundamental Right to property. To protect land reform laws from being struck down this way across the country, Parliament passed the First Constitutional Amendment, 1951, which added the Ninth Schedule to the Constitution — laws placed in it were shielded from judicial review on Fundamental Rights grounds.

🎯 Why it matters

This is a rare and high-value fact linking Bihar directly to a landmark constitutional change: a Bihar land dispute (Kameshwar Singh case) was a key trigger for the First Amendment to the Indian Constitution and the creation of the Ninth Schedule.

The JP Movement & Total Revolution (1974)

By the early 1970s, there was deep anger against corruption, price-rise and misgovernance. In 1974, a students' and people's movement began in Bihar and soon spread across the country. Its leader was Jayaprakash Narayan (JP), a son of Bihar and a veteran of the freedom struggle.

JP gave the movement its famous call — "Sampoorna Kranti" (Total Revolution) — meaning a complete change in social, economic and political life, not just a change of government. This movement is closely linked to the period leading up to the National Emergency (1975–77).

🎯 Why it matters

Why this matters for Bihar: the biggest people's movement of independent India began in Bihar, and gave the country a whole generation of leaders. For BPSC, remember the chain: Bihar → JP → Total Revolution (1974) → the Emergency period.

Karpoori Thakur — the "People's Hero"

Karpoori Thakur, a former Chief Minister of Bihar, is one of the state's most loved leaders. He is popularly called "Jan Nayak" (People's Hero) for his simple life and his fight for the poor and backward classes. He is remembered as a great champion of social justice and of reservation for the backward classes.

In 2024, Karpoori Thakur was honoured with the Bharat Ratna, India's highest civilian award, given to him posthumously (after his death). This brought fresh national attention to his legacy of social justice.

🧠 Remember him this way

Karpoori Thakur = "Jan Nayak" + social justice / backward-class reservation + Bharat Ratna 2024 (posthumous). If a question mentions "People's Hero" of Bihar, the answer is Karpoori Thakur.

The Mandal Commission and Bihar Politics since 1990

In 1990, the central government headed by V. P. Singh decided to implement the Mandal Commission report (1980), providing 27% reservation in central government jobs and educational institutions for Other Backward Classes (OBCs). This decision reshaped politics across northern India, and Bihar — with its large OBC population — became one of its most important stages.

The key figures of this era in Bihar are Lalu Prasad Yadav (Chief Minister from 1990, whose party the Rashtriya Janata Dal (RJD) was formed in 1997) and, from the mid-2000s onward, Nitish Kumar (whose party, the Janata Dal United, JD(U), has led or been a key part of the state government for most of the period since 2005). This period is closely associated with the political rise of backward-class and social-justice politics in Bihar.

⚠️ Exam trap

For factual/date-based exam questions, focus on: Mandal Commission report (1980), implementation decision (1990, V. P. Singh government), RJD formed (1997). Avoid getting drawn into evaluative political opinions — BPSC tests dates, party names and office-holding facts, not political commentary.

The Creation of Jharkhand (2000)

On 15 November 2000, the southern, mineral-rich part of Bihar was separated to form a new state, Jharkhand. This changed Bihar deeply: it lost most of its mines and heavy industry to Jharkhand, leaving present-day Bihar with a largely agrarian (farming-based) economy.

⚠️ Exam trap

Common trap: do not confuse the date. Jharkhand was created on 15 November 2000. (15 November is also the birth anniversary of tribal icon Birsa Munda.) Bihar kept the fertile Gangetic plains but lost the industrial belt around Ranchi–Jamshedpur–Dhanbad.

Bihar after 1947 — a quick chronology

1947
Dr. Sri Krishna Sinha becomes the first Chief Minister of Bihar; Anugrah Narayan Sinha the first Deputy CM.
1950
Dr. Rajendra Prasad (from Bihar) becomes the first President of India.
1974
Jayaprakash Narayan (JP) leads the movement in Bihar and gives the call for Total Revolution (Sampoorna Kranti).
15 November 2000
Southern Bihar is separated to form the new state of Jharkhand.
2024
Karpoori Thakur ("Jan Nayak") is awarded the Bharat Ratna posthumously.

Key takeaways

First CM of Bihar (1947): Dr. Sri Krishna Sinha ("Bihar Kesari"); first Deputy CM: Anugrah Narayan Sinha.
Sri Krishna Sinha and Anugrah Narayan Sinha together are honoured as "Bihar Vibhuti" — architects of modern Bihar.
Dr. Rajendra Prasad of Bihar became the first President of India (1950).
JP Movement (1974): Jayaprakash Narayan led a movement from Bihar and called for "Sampoorna Kranti" (Total Revolution); linked to the Emergency period (1975–77).
Karpoori Thakur — former CM, called "Jan Nayak", champion of social justice & backward-class reservation; Bharat Ratna 2024 (posthumous).
Jharkhand was carved out of Bihar on 15 November 2000, taking most mines and heavy industry.
After Jharkhand's creation, present-day Bihar has a largely agrarian economy.
Bihar Land Reforms Act, 1950 abolished zamindari — among the first such laws in India. Challenged in Kameshwar Singh v. State of Bihar (Patna HC struck down parts of it) → triggered the First Constitutional Amendment, 1951, which created the Ninth Schedule to shield land-reform laws from judicial review.
Mandal Commission report (1980) implemented in 1990 (V.P. Singh govt) — 27% OBC reservation. Bihar politics since: Lalu Prasad Yadav (CM from 1990; RJD formed 1997); Nitish Kumar/JD(U) key since 2005.

Practice questions (11)

Attempt each one before opening the answer. Every explanation names the tempting wrong option as well as the right one, because that is where marks are lost.

Who was the first Chief Minister of Bihar after independence?
1. Anugrah Narayan Sinha
2. Dr. Sri Krishna Sinha
3. Dr. Rajendra Prasad
4. Karpoori Thakur
Show answer
Answer: B — Dr. Sri Krishna Sinha
Dr. Sri Krishna Sinha ("Bihar Kesari") became the first Chief Minister of Bihar after independence in 1947.
Who was the first Deputy Chief Minister of Bihar?
1. Anugrah Narayan Sinha
2. Jayaprakash Narayan
3. Karpoori Thakur
4. Brajkishore Prasad
Show answer
Answer: A — Anugrah Narayan Sinha
Anugrah Narayan Sinha was the first Deputy Chief Minister of Bihar; with Sri Krishna Sinha he is honoured as "Bihar Vibhuti".
The first President of India, who belonged to Bihar, was:
1. Dr. Sri Krishna Sinha
2. Jayaprakash Narayan
3. Dr. Rajendra Prasad
4. Anugrah Narayan Sinha
Show answer
Answer: C — Dr. Rajendra Prasad
Dr. Rajendra Prasad, born in Bihar, became the first President of India in 1950.
The call for "Sampoorna Kranti" (Total Revolution) in 1974 was given by:
1. Karpoori Thakur
2. Jayaprakash Narayan (JP)
3. Dr. Rajendra Prasad
4. Dr. Sri Krishna Sinha
Show answer
Answer: B — Jayaprakash Narayan (JP)
Jayaprakash Narayan (JP) led the 1974 movement from Bihar and gave the call for Total Revolution (Sampoorna Kranti).
The former Chief Minister of Bihar popularly known as "Jan Nayak" (People's Hero) was:
1. Karpoori Thakur
2. Jayaprakash Narayan
3. Anugrah Narayan Sinha
4. Dr. Sri Krishna Sinha
Show answer
Answer: A — Karpoori Thakur
Karpoori Thakur, a champion of social justice and backward-class reservation, is popularly called "Jan Nayak".
On which date was the state of Jharkhand carved out of Bihar?
1. 1 April 1936
2. 26 January 1950
3. 15 November 2000
4. 2 October 1974
Show answer
Answer: C — 15 November 2000
Jharkhand was separated from Bihar on 15 November 2000, taking most of the mines and heavy industry.
Consider the following statements about Karpoori Thakur:
1. He served as a Chief Minister of Bihar.
2. He was awarded the Bharat Ratna posthumously in 2024.
Which is/are correct?
1. Only 1
2. Only 2
3. Both 1 and 2
4. Neither 1 nor 2
Show answer
Answer: C — Both 1 and 2
Both are correct. Karpoori Thakur was a Chief Minister of Bihar and was awarded the Bharat Ratna posthumously in 2024.
Consider the following statements about the creation of Jharkhand:
1. It was formed by separating the southern, mineral-rich part of Bihar.
2. After the separation, present-day Bihar has a largely agrarian economy.
Which is/are correct?
1. Only 1
2. Only 2
3. Both 1 and 2
4. Neither 1 nor 2
Show answer
Answer: C — Both 1 and 2
Both are correct. Jharkhand took the mineral-rich south with most mines and heavy industry, leaving Bihar with a largely agrarian economy.
The Bihar Land Reforms Act, 1950, which abolished zamindari, was challenged in which landmark case, leading eventually to the First Constitutional Amendment?
1. Kesavananda Bharati v. State of Kerala
2. Kameshwar Singh v. State of Bihar
3. Golaknath v. State of Punjab
4. Champakam Dorairajan v. State of Madras
Show answer
Answer: B — Kameshwar Singh v. State of Bihar
The Maharajadhiraja of Darbhanga, Kameshwar Singh, challenged the Bihar Land Reforms Act; the Patna High Court struck down parts of it as violating the Fundamental Right to property, prompting the First Constitutional Amendment (1951) and the creation of the Ninth Schedule.
The First Constitutional Amendment (1951), triggered partly by a Bihar land-reform dispute, added which Schedule to the Constitution?
1. Eighth Schedule
2. Ninth Schedule
3. Tenth Schedule
4. Eleventh Schedule
Show answer
Answer: B — Ninth Schedule
The First Amendment (1951) added the Ninth Schedule, shielding laws placed in it — including land reform laws — from being struck down for violating Fundamental Rights.
The Mandal Commission report, recommending 27% reservation for OBCs, was implemented in 1990 by the central government headed by:
1. Rajiv Gandhi
2. V. P. Singh
3. Chandra Shekhar
4. P. V. Narasimha Rao
Show answer
Answer: B — V. P. Singh
The V. P. Singh government implemented the Mandal Commission report (1980) in 1990, providing 27% reservation for OBCs in central jobs and educational institutions.