Due to the Naval Mutiny, Britain decided to leave India in a hurry because they were afraid that if the mutiny spread to the army and police, there would be large scale killing of Britishers all over India. ... Had they not supported the British at that time, Britain would have had to leave India in 1857.

Why did Britishers leave India?

The country was deeply divided along religious lines. In 1946-47, as independence grew closer, tensions turned into terrible violence between Muslims and Hindus. In 1947 the British withdrew from the area and it was partitioned into two independent countries - India (mostly Hindu) and Pakistan (mostly Muslim).

What was it called when the British left India?

British raj, period of direct British rule over the Indian subcontinent from 1858 until the independence of India and Pakistan in 1947.