JupiteX Get the app
History & Heritage1 Nov 2026 · about 6 min

How were the States formed and how has the Indian map changed since 1947?

The brief

On August 15, 1947, British rule ended as British paramountcy lapsed across India. The subcontinent became two independent dominions, India and Pakistan, rather than remaining under British authority. This transfer of power ended colonial control and established separate governments for the two new countries. Pre-independence India contained provinces, state units, and more than 550 princely states. About 114 had already joined India through the Instrument of Accession. The rest could choose India or Pakistan, and most chose India. The change began a long process of reshaping India’s internal map. States were reorganised in multiple phases, influenced by different factors. Today, India has 28 States and eight Union Territories, showing that boundary-making continued after independence.

01

What changed on the appointed day, August 15, 1947, when British rule ended?

On August 15, 1947, British rule ended as British paramountcy lapsed across India. The subcontinent became two independent dominions, India and Pakistan, rather than remaining under British authority. This transfer of power ended colonial control and established separate governments for the two new countries.

Pre-independence India contained provinces, state units, and more than 550 princely states. About 114 had already joined India through the Instrument of Accession. The rest could choose India or Pakistan, and most chose India.

The change began a long process of reshaping India’s internal map. States were reorganised in multiple phases, influenced by different factors. Today, India has 28 States and eight Union Territories, showing that boundary-making continued after independence.

02

What was a princely state, and how was it different from a British-administered province?

A princely state was an Indian territory ruled by its own hereditary monarch. Hyderabad, for example, was ruled by the Nizam. Britain controlled external affairs under paramountcy, while the ruler largely handled internal administration.

A British-administered province was governed directly by Britain through colonial officials. Provinces therefore had no separate monarch negotiating accession after paramountcy ended. Princely states had that choice and could join India or Pakistan.

This distinction mattered because pre-independence India included provinces and more than 550 scattered princely states. Nearly 114 had joined India through the Instrument of Accession before August 15; most others later chose India. India now has 28 States and eight Union Territories, after several rounds of boundary reorganisation.

03

How many princely states existed before independence, and how many had joined India before August 15, 1947?

Before independence, India was not a single unified political unit. It included provinces and more than 550 scattered princely states. British paramountcy ended on the appointed day, creating India and Pakistan.

Many rulers then had to choose their new country. Bikaner, for example, signed the Instrument of Accession before independence, using the legal process for joining India. Nearly 114 states had already joined India by August 15, 1947.

Most of the remaining princely states later acceded to India, though their decisions helped shape the country’s boundaries. India now has 28 States and eight Union Territories. Its internal map changed through several rounds of reorganisation, creating today’s administrative framework.

04

What was the Instrument of Accession, and how did it allow princely states to join India or Pakistan?

The Instrument of Accession was a legal document that let a princely state join India or Pakistan. A ruler used it to transfer responsibility for key matters, especially defence, foreign affairs, and communications, to the chosen dominion. This created a formal route for integrating states after British paramountcy ended.

Before August 15, 1947, nearly 114 princely states had already acceded to India. The remaining rulers could choose either dominion, and most chose India. Historically, Jammu and Kashmir’s ruler signed accession to India in October 1947 during an invasion. The document gave India authority over specified matters, without instantly erasing the state’s separate administration.

Today, the result is a union of 28 States and eight Union Territories. The country’s internal boundaries have since changed through several reorganisation phases. Accession settled initial membership, while later changes redrew the map.

05

Why were India’s internal boundaries redrawn after independence instead of keeping the colonial map unchanged?

India did not simply inherit the colonial map because that map served British administration, not necessarily local identities or practical governance. After 1947, leaders redrew boundaries to reflect changing political, cultural, linguistic, and administrative needs. This mattered for making the new Union workable and broadly accepted.

A well-known example is Andhra State, created in 1953 after a movement for a separate Telugu-speaking state. This showed how public demands could lead Parliament to reorganise territory, rather than preserve old provincial lines. The States Reorganisation Act of 1956 then reshaped several states, mainly using language alongside administrative considerations.

The process began amid a complicated starting point: pre-independence India had provinces and more than 550 princely states. Nearly 114 had acceded before August 15, while most others later joined India or Pakistan. India now has 28 states and eight Union Territories. Its map remains an evolving administrative framework, not a frozen colonial inheritance.

06

What happened to India’s political map as states were reorganised, and how did this lead to the present system of 28 states and eight Union Territories?

India’s political map changed repeatedly after independence as its states were reorganised in several phases. The process replaced the complicated pre-1947 arrangement with a more manageable Union of states and territories.

A clear early example came in 1947, when British paramountcy ended and India and Pakistan became independent dominions. Nearly 114 princely states had already joined India through the Instrument of Accession; most others later chose India over Pakistan. Subsequent boundary changes redrew the internal map, driven by different factors across multiple phases.

Today, India has 28 states and eight Union Territories, a major change from provinces and more than 550 scattered princely states. Reorganisation made the map flexible over several later rounds, allowing India’s internal political structure to evolve after accession. The present map reflects a long, continuing national political process, not one decision made in 1947.

07

Why do large countries such as India divide power among states and Union Territories rather than being governed entirely by one central government?

Large countries divide power so one government can handle national concerns while local governments address regional needs. This arrangement brings decisions closer to people and helps manage differences in language, history, geography, and local priorities.

India’s 1947 transition shows why flexible arrangements mattered. British paramountcy lapsed, and India and Pakistan became independent dominions. More than 550 princely states faced a choice: join India or Pakistan. Nearly 114 had acceded to India before August 15. Later, India reorganised states in several phases, allowing its map and administration to respond to changing needs.

Today, the source describes India as having 28 States and eight Union Territories. This structure lets the national government protect unity, while regional governments handle many local matters. It also means boundaries can change when practical needs evolve, rather than forcing every region into one uniform system. India’s continuing reorganisation shows that governing a large country is an ongoing balancing act.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

Read more in the JupiteX app

Pulse is free. New stories every 4 hours, each one broken into the questions that explain it.

Or read more news on the web