5927662 Button, Cachar Volunteer Rifles, 1883-1886 (brass) by British School, (19th century); National Army Museum, London; (add.info.: Button, Cachar Volunteer Rifles, 1883-1886. Brass button with crown over Queen Victoria?s cypher ?VR?, and a circlet inscribed with the unit?s name. Cachar and Sylhet are adjacent districts in the tea-growing province of Assam, situated north-east of Bengal. The Cachar and Sylhet Mounted Rifles was an Indian auxiliary unit formed on 6 April 1883. It was originally known as the Sylhet Volunteer Rifle Corps, from 22 October 1880, and was designated the Surma Valley Light Horse on 13 August 1886. From the Field Marshal Sir John Chapple Indian Army Collection.); by National Army Museum .