Presidencies and provinces of British India partially reversed, with the eastern and western halves of Bengal re-united and the province of Assam re-established; a new Lieutenant-Governor's province of Bihar and Orissa was also created. In addition, there were a few minor provinces that were administered by a Chief Commissioner: At the time of independence in 1947, British India had 17 provinces: Upon the Partition of British India into the Dominion of India and Dominion of Pakistan, 11 provinces (Ajmer-Merwara-Kekri, Andaman and Nicobar Islands, Bihar, Bombay, Central Provinces and Berar, Coorg, Delhi, Madras, Panth-Piploda, Orissa, and the United Provinces) joined India, 3 (Baluchistan, North-West Frontier and Sindh)
Geography of Bihar which was part of Bihar until 2000 but now is part of a separate state called Jharkhand. Bihar has notified forest area of 6,764.14 km², which is 7.1 per cent of its geographical area. The sub Himalayan foothill of Someshwar and Dun ranges in Champaran district another belt of moist deciduous forests. These also consists of shrub, grass and reeds. Here the rainfall is above 1,600 mm and thus promotes luxuriant Sal forests in the favoured areas. The hot and dry summer gives the deciduous forests. The most important trees are Shorea Robusta (Sal), Shisham, Cedrela Toona, Khair, and Semal.