Why britishers passed to rule india ? who helped them to rule india ?

The British established their rule in India through a complex series of historical events. Here is a brief overview:

Trading Interests: Initially, the British East India Company established trading posts in India during the 17th century. They were primarily interested in the lucrative spice and textile trade.

Mughal Empire Decline: By the 18th century, the Mughal Empire, which had ruled over much of India, was in a state of decline. This power vacuum allowed the British to expand their influence.

Battle of Plassey (1757): The British East India Company's victory in the Battle of Plassey marked a significant turning point. It allowed them to gain control over Bengal, a wealthy region, and set the stage for further expansion.

Treaty of Buxar (1764): After winning the Battle of Buxar, the British secured the rights to collect revenue in large parts of northern India. This further increased their control.

Subsidiary Alliances: The British used a strategy of forming subsidiary alliances with Indian princely states. These alliances often meant that the British controlled the state's foreign policy and military, effectively extending their rule.

Sepoy Mutiny (1857-1858): The Indian Rebellion of 1857, also known as the Sepoy Mutiny, was a significant challenge to British rule. After suppressing the rebellion, the British government took direct control of India from the East India Company.

Administrative Structure: The British established a bureaucratic administrative structure, which included Indian civil servants, to govern the country.

Economic Exploitation: The British exploited India's resources, including agriculture, textiles, and raw materials, to benefit their own economy.

Transportation and Communication Infrastructure: The British invested in railways, telegraphs, and roads, which helped them consolidate their control and facilitate governance.

Educational and Cultural Influence: The British introduced Western education and cultural influences, which played a role in shaping modern India.

It's essential to note that the British rule in India was marked by a mix of cooperation, coercion, and exploitation. Resistance to British rule also existed throughout this period, eventually leading to India's struggle for independence, which culminated in 1947 when India gained its freedom from British colonial rule.