Who suffered defeat in the battle of Chinhat?

British

The correct answer is Option (4) → British

The Battle of Chinhat, which occurred during the Indian Rebellion of 1857 , was a conflict between the British East India Company and the rebel Indian forces. It was a part of the larger uprising against British rule in India.

The British were fighting to suppress the rebellion and maintain their control over India, while the rebels, including sepoys (Indian soldiers in British service) and civilian volunteers, were opposing British rule.

So, the correct option is [4].