Identify the State on the basis of the following characteristics : 1. On 20th January 1972, it became a Union Territory 2. The state was formed out of Assam in the year 1987 3. It is also home to the Dihang Dibang Biosphere Reserve Select the correct answer using the code given below.

The correct answer is Arunachal Pradesh . Key Points Arunachal Pradesh During the British Colonial Rule, until 1972, the state was named the North-East Frontier Agency (NEFA). On 20 th January 1972, it became a Union Territory and was named Arunachal Pradesh. The state was formed out of Assam in the year 1987. In the west, Arunachal Pradesh is bordered by Bhutan and in the north falls the Tibetan region of China. In the Southeastern region falls Nagaland and Myanmar and in the southwestern region falls Assam. The capital of Arunachal Pradesh is Itanagar. The total literacy rate of the state (as per Census 2011) is 65.38% with the male literacy rate being 72.55% and for females, it is 57.70%. The Sex Ratio of the states is 938 female per 1000 males (National: 943) The state is home to 26 major tribes, there are more than 100 sub-tribes, many of which are still unexplored. About 65% of the population of the state is tribals. Mostly the population of the state depends on Agriculture, mainly Jhum cultivation (slash and burn cultivation). Other cultivation of cash crops is also done like potatoes. Horticulture crops such as pineapple, apple, oranges, etc are also done. State Animal: Mithun (also known as Gayal) State Bird: Hornbill It is also home to the Dihang Dibang Biosphere Reserve. Protected Areas: Namdapha National Park Mouling National Park Sessa Orchid Sanctuary Dibang Wildlife Sanctuary Pakke Tiger Reserve Tribals of Arunachal: The significant tribal groups include Monpas, Nyishis, Apatanis, Noctes, and Sherdukpens. Hence, Option 3 is correct.