The Indian Imperial Police, referred to variously as the Imperial Police or simply the Indian Police or, by 1905, Imperial Police, was part of the Indian Police Services, the uniform system of police administration in British Raj, as established by Government of India Act 1858, Police Act of 1861. It was motivated by the danger experienced by the British during the 1857 rebellion. During 1920 the Imperial Indian police had 310,000 police in their contingent. Its members policed more than 300 million people in India, Pakistan, Bangladesh and Burma (then comprising the British Raj).