The Assam Rifles is the oldest paramilitary force of the Indian Army, dating back to 1835 under the British Raj, raised under the name "Cachar Levy". The present name of "Assam Rifles" has been used since 1917. Over the course of its history, the Assam Rifles have served in a number of roles, conflicts and theatres including World War I, where they served in Europe and the Middle East, and World War II, where they served mainly in Burma. After the Chinese annexation of Tibet, the Assam Rifles were tasked with manning the Tibetan border of Assam Himalayan region. They were also instrumental in maintaining law and order in the tribal Arunachal Pradesh.