The Operation Polo was associa- ted with the annexation of which one among the following Princely States into Indian Union ?

1. Post-Independence Consolidation: The Challenge of Princely States (basic)

When India gained independence in 1947, it wasn't just one monolithic entity; it was a complex jigsaw puzzle of British Provinces and over 560 Princely States. These states covered nearly 40% of India's territory. Under the British, they operated under Paramountcy—the Crown was the supreme power, but the rulers managed internal affairs. With the Indian Independence Act of 1947, this paramountcy lapsed, technically leaving these states free to join India, join Pakistan, or remain independent Introduction to the Constitution of India, D. D. Basu, p.51.

The monumental task of integrating these states into a single nation fell to Sardar Vallabhbhai Patel, the Home Minister and head of the newly formed States Department, and his able secretary, V.P. Menon. Patel’s approach was a masterclass in diplomacy, often described as a "skilful combination of baits and threats" Rajiv Ahir. A Brief History of Modern India (Spectrum), p.497. He appealed to the rulers' patriotism and offered Privy Purses (government allowances) in exchange for their surrender of sovereignty. By August 15, 1947, the vast majority had signed the Instrument of Accession, handing over control of three vital areas to the Indian Union: Defence, External Affairs, and Communications Rajiv Ahir. A Brief History of Modern India (Spectrum), p.607.

However, three states—Junagarh, Hyderabad, and Kashmir—posed significant challenges. Their integration required different strategies ranging from popular vote to military intervention. This process wasn't just about drawing lines on a map; it was about preventing the "Balkanization" of India into tiny, unviable principalities NCERT Class XII, Politics in India since Independence, p.16.

Princely State	Primary Method of Integration	Key Detail
Junagarh	Plebiscite	The people voted overwhelmingly to join India after the Nawab fled to Pakistan.
Hyderabad	Police Action (Operation Polo)	A five-day military operation in Sept 1948 after internal violence by the Razakars.
Kashmir	Instrument of Accession	Signed by Maharaja Hari Singh in Oct 1947 after an invasion by Pakistani tribal militias.

Sources: Introduction to the Constitution of India, D. D. Basu (26th ed.), OUTSTANDING FEATURES OF OUR CONSTITUTION, p.51; Politics in India since Independence, NCERT Class XII (2025 ed.), Challenges of Nation Building, p.16; A Brief History of Modern India, Rajiv Ahir (Spectrum 2019 ed.), Independence with Partition, p.497; A Brief History of Modern India, Rajiv Ahir (Spectrum 2019 ed.), The Indian States, p.607

2. Constitutional Framework: Union and its Territory (basic)

When India gained independence in 1947, the map was a patchwork of British provinces and over 500 princely states. While most states joined the Indian Union voluntarily, three major states remained holdouts: Hyderabad, Junagarh, and Kashmir. Hyderabad, the largest and most prosperous of these, presented a unique challenge. Its ruler, the Nizam Mir Osman Ali Khan, desired to maintain a sovereign, independent status rather than joining India or Pakistan. This led to a period of intense diplomatic negotiation, culminating in a Standstill Agreement in November 1947, which was intended to maintain the status quo for one year while a permanent solution was sought Rajiv Ahir, A Brief History of Modern India, Chapter 34, p.608.

However, the internal situation in Hyderabad rapidly deteriorated. A paramilitary group known as the Razakars, led by Qasim Razvi, began a campaign of violence against the local population who favored integration with India. The Nizam’s government was either unable or unwilling to curb this lawlessness. Recognizing that a hostile, independent state in the heart of the Deccan would pose a severe security threat to the newly formed Union, the Indian government, under the leadership of Sardar Vallabhbhai Patel, decided to intervene. This military intervention, launched on September 13, 1948, was code-named Operation Polo.

Officially described as a "police action" to restore law and order rather than an act of war, the operation lasted only five days. By September 18, 1948, the Nizam’s forces surrendered, and Hyderabad was formally integrated into the Indian Union. It is helpful to remember that while Hyderabad was integrated via military action, other states followed different paths to join the Union Rajiv Ahir, A Brief History of Modern India, Chapter 38, p.649.

Princely State	Primary Mode of Integration	Key Detail
Hyderabad	Police Action (Operation Polo)	Military intervention following Razakar violence.
Junagarh	Plebiscite	The people voted overwhelmingly to join India.
Kashmir	Instrument of Accession	Signed by Maharaja Hari Singh after an invasion by tribal militias from Pakistan.

Sources: A Brief History of Modern India (Spectrum), The Indian States, p.608; A Brief History of Modern India (Spectrum), Developments under Nehru’s Leadership, p.649

3. Committees on State Reorganisation (intermediate)

After the integration of princely states, the next big challenge for India was how to internally organize the states. While the public demanded states based on linguistic boundaries, the leadership was cautious, fearing that language-based divisions might lead to further fragmentation after the trauma of Partition. This tension led to a series of committees that shaped the map of modern India.

The first major step was the Dhar Commission (June 1948), headed by S.K. Dhar. It was tasked by the Constituent Assembly to look into the feasibility of linguistic provinces. However, the commission opposed the linguistic principle, recommending that administrative convenience should be the primary criterion instead of language Rajiv Ahir, A Brief History of Modern India, Chapter 38, p.637. This created significant resentment, leading the Congress to form a second committee to review the issue.

This second body was the JVP Committee (December 1948), consisting of Jawaharlal Nehru, Vallabhbhai Patel, and Pattabhi Sitaramayya. Like its predecessor, the JVP report formally rejected language as the basis for states, arguing it could threaten national unity. The committee noted that while language is a "binding force," it is also a "separating one" History, class XII (Tamilnadu state board 2024 ed.), Reconstruction of Post-colonial India, p.107. They suggested postponing the idea until the nation was more stable Rajiv Ahir, A Brief History of Modern India, Chapter 38, p.638.

The status quo broke in 1953 when intense agitation and the death of Gandhian leader Potti Sreeramulu forced the government to create the first linguistic state, Andhra. This opened the floodgates, leading to the appointment of the States Reorganisation Commission (SRC), also known as the Fazl Ali Commission. Unlike the previous committees, the SRC accepted language as a major factor for reorganisation but rejected the theory of "one language, one state," emphasizing that the unity of India must remain the primary consideration.

Committee	Key Members	Main Recommendation
Dhar Commission	S.K. Dhar	Rejected linguistic basis; suggested administrative convenience.
JVP Committee	Nehru, Patel, Sitaramayya	Rejected linguistic basis for the time being to protect national unity.
Fazl Ali Commission	Fazl Ali, K.M. Panikkar, H.N. Kunzru	Broadly accepted language as a basis, but rejected "one language, one state."

Sources: Rajiv Ahir, A Brief History of Modern India, Chapter 38: Developments under Nehru’s Leadership (1947-64), p.637-638; History, class XII (Tamilnadu state board 2024 ed.), Reconstruction of Post-colonial India, p.107

4. Asymmetric Federalism and Special Provisions (intermediate)

In a standard federal system, all constituent units (states) typically enjoy equal powers and status. However, India follows a model of Asymmetric Federalism. This means the Constitution treats different states differently to account for their unique historical, cultural, or developmental needs. Rather than being a sign of inequality, this asymmetry is a vital tool for national integration, ensuring that diverse regions feel their specific identities and interests are protected within the Union Indian Polity, World Constitutions, p.706. Most of these special provisions are housed in Part XXI of the Constitution (Articles 371 to 371-J). It is important to note that these were not part of the original 1950 Constitution; they were incorporated later through various constitutional amendments, often as a condition for the reorganisation of states or the conversion of Union Territories into full states Indian Polity, Special Provisions for Some States, p.560. For instance, while Article 371-A provides Nagaland with autonomy over its religious and social practices, Article 371-D empowers the President to ensure equitable opportunities in public employment and education for the people of Andhra Pradesh and Telangana Indian Polity, Special Provisions for Some States, p.562. Beyond specific articles, the Constitution uses Schedules to manage administrative asymmetry. The Fifth Schedule deals with 'Scheduled Areas' in most states where people are considered socio-economically backward. In contrast, the Sixth Schedule is far more robust, providing for Autonomous District Councils in the states of Assam, Meghalaya, Tripura, and Mizoram to protect tribal culture and self-governance Introduction to the Constitution of India, ADMINISTRATION OF SCHEDULED AND TRIBAL AREAS, p.329.

To help you navigate these articles, here is a quick reference for some of the most prominent ones:

Article	State(s) Affected	Key Focus
371	Maharashtra & Gujarat	Development boards for Vidarbha, Marathwada, Saurashtra, and Kutch.
371-A	Nagaland	Protection of Naga customary law and land ownership.
371-D	Andhra Pradesh & Telangana	Local cadre recruitment and educational opportunities.
371-F	Sikkim	Protection of the rights and interests of different sections of the population.

Sources: Indian Polity, World Constitutions, p.706; Indian Polity, Special Provisions for Some States, p.560; Indian Polity, Special Provisions for Some States, p.562; Introduction to the Constitution of India, ADMINISTRATION OF SCHEDULED AND TRIBAL AREAS, p.329

5. The Exceptions: Junagarh and Kashmir (exam-level)

While the integration of most princely states was a smooth process of negotiation, Junagarh and Jammu & Kashmir presented unique challenges that required different methods of resolution. These cases highlight the tension between a ruler’s personal preference and the demographic or geographic realities of the state. In most cases, rulers signed the Instrument of Accession, a legal document declaring the state’s intent to join the Union of India Politics in India since Independence, NCERT Class XII, Challenges of Nation Building, p.16. However, for these two states, the path was far more complex.

Junagarh, located on the coast of Gujarat, was a princely state with a Muslim Nawab but a predominantly Hindu population. Despite being surrounded by Indian territory, the Nawab announced his state's accession to Pakistan. This led to internal unrest and the formation of a provisional government (Arzi Hukumat) by the people. The crisis was ultimately resolved when India conducted a plebiscite (a direct vote by the people) in February 1948. The results showed an overwhelming majority in favor of joining India, thereby legitimizing the state's integration based on popular will Politics in India since Independence, NCERT Class XII, Challenges of Nation Building, p.16.

Jammu & Kashmir followed a different trajectory. Maharaja Hari Singh initially hoped to remain independent and signed a 'Standstill Agreement' with Pakistan. However, after an invasion by tribal militias supported by the Pakistani army in October 1947, the Maharaja turned to India for military assistance. India agreed to help on the condition that the state formally accedes to the Union. On October 26, 1947, the Maharaja signed the Instrument of Accession—the same legal document used by other princely states—which was accepted by the Governor-General the following day Introduction to the Constitution of India, D. D. Basu, Jammu and Kashmir, p.300. This act made Kashmir legally and constitutionally an integral part of India Geography of India, Majid Husain, India–Political Aspects, p.38.

State	Primary Mode of Integration	Key Catalyst
Junagarh	Plebiscite	Internal revolt and geographic isolation from Pakistan.
Jammu & Kashmir	Instrument of Accession	Tribal invasion from Pakistan and military necessity.

Sources: Politics in India since Independence, NCERT Class XII, Challenges of Nation Building, p.16; Introduction to the Constitution of India, D. D. Basu, Jammu and Kashmir, p.300; Geography of India, Majid Husain, India–Political Aspects, p.38

6. Operation Polo: The Accession of Hyderabad (exam-level)

At the time of independence, Hyderabad was the largest and most prosperous princely state, ruled by the Nizam, Mir Osman Ali Khan. Unlike many other rulers who joined the Indian Union by August 15, 1947, the Nizam harbored ambitions of maintaining an independent, sovereign state. To buy time, he signed a Standstill Agreement with the Government of India in November 1947, which essentially meant that the status quo would be maintained for one year while negotiations continued Rajiv Ahir, A Brief History of Modern India, Chapter 34, p.608. However, the internal situation in Hyderabad rapidly deteriorated.

Two major internal factors pushed the Indian government toward a military solution. First, the Razakkars—a fanatical paramilitary militia led by Kasim Razvi—began a campaign of terror against the state's Hindu population and political dissidents. Second, a massive peasant uprising in the Telangana region, led by the Communist Party, challenged the Nizam’s feudal administration History, class XII (Tamilnadu state board 2024 ed.), Reconstruction of Post-colonial India, p.106. The chaos on the borders and the Nizam's secret attempts to procure arms and support from Pakistan convinced Sardar Patel that an independent Hyderabad was a "cancer in the heart of India."

Operation Polo, famously described as a "Police Action" to restore law and order, was launched on September 13, 1948. The Indian Army, led by Major General J.N. Chaudhuri, defeated the Nizam’s forces in just five days. The Nizam eventually surrendered and signed the instrument of accession. While Junagarh was integrated via a plebiscite and Kashmir through an Instrument of Accession signed under the threat of invasion, Hyderabad’s integration was unique for its direct military enforcement necessitated by internal anarchy Rajiv Ahir, A Brief History of Modern India, Chapter 34, p.608.

Sources: Rajiv Ahir, A Brief History of Modern India, The Indian States, p.608; History, class XII (Tamilnadu state board 2024 ed.), Reconstruction of Post-colonial India, p.106

7. Solving the Original PYQ (exam-level)

This question tests your understanding of the Integration of Princely States, a critical phase in modern Indian history. Having studied the roles of Sardar Vallabhbhai Patel and V.P. Menon, you know that while most states joined via the Instrument of Accession, three major holdouts—Kashmir, Junagarh, and Hyderabad—required unique strategies. Operation Polo specifically represents the shift from diplomatic negotiation to "police action" when internal stability and national security were at stake. According to Rajiv Ahir, A Brief History of Modern India (Spectrum), this operation was the decisive military intervention that ended the Nizam's dream of a sovereign state.

To arrive at the correct answer, (D) Hyderabad, you must recall the specific sequence of events: the Nizam's refusal to join India, the signing of a Standstill Agreement, and the subsequent terror spread by the Razakkars (a paramilitary militia). Why "Polo"? The code name was chosen because Hyderabad had the highest number of polo grounds in the world at the time. When you see the term "Operation" in the context of 1948 integration, you should immediately look for the state where military force was used to quell internal chaos. This five-day operation in September 1948 successfully integrated the heart of the Deccan into the Indian Union.

UPSC often uses the other princely states as distractors because they all had complex, yet distinct, integration stories. Avoid the trap of (A) Kashmir, which was integrated through the Instrument of Accession signed by Maharaja Hari Singh during a tribal invasion. Similarly, (B) Junagarh is a common pitfall; while its Nawab fled, the state's integration was validated through a Plebiscite (public vote), as noted in Geography of India by Majid Husain. (C) Travancore was one of the first to declare independence but was brought into the fold through diplomatic pressure rather than a named military operation. Distinguishing between legal accession, popular referendums, and military action is the key to mastering these types of questions.