 In 1905, most of Sambalpur District and the princely states of Bamra, Rairakhol, Sonpur, Patna, and Kalahandi were transferred to Bengal Province and the princely states of Changbhakar, Korea, Surguja, Udaipur, and Jashpur were transferred from Bengal to the Central Provinces.In 1933 the princely states in Chhattisgarh Division were transferred to the Eastern States Agency.On 24 October 1936, the Central Provinces became the Central Provinces and Berar when they were fully merged with Berar Province, although Berar remained under the nominal sovereignty of Hyderabad State.