East India

East India is a region consisting of the Indian states of Bihar, Jharkhand, Odisha and West Bengal and also the union territory of the Andaman and Nicobar Islands. Chhattisgarh is sometimes included, due to its geographical proximity and cultural and economic integration with the Eastern region. The states of Bihar and West Bengal lie on the Indo-Gangetic Plain. Jharkhand is situated on the Chota Nagpur Plateau. Odisha lies on the Eastern Ghats and the Deccan Plateau. West Bengal's capital Kolkata is the largest city of this region. The Kolkata Metropolitan Area is the country's third largest metropolitan region. The region is bounded by Bhutan, Nepal and the state of Sikkim in the north, the states of Uttar Pradesh and Chhattisgarh on the west, the state of Andhra Pradesh in the south and the country of Bangladesh in the east. It is also bounded by the Bay of Bengal in the south-east. It is connected to the Seven Sister States of Northeast India by the narrow Siliguri Corridor in the north east of West Bengal. East India has the fourth-largest gross domestic product of all Indian regions. The region was ruled by several empires, including Gangaridai, Nandas, Mauryans, Guptas, Palas, Bhauma-Kara dynasty, Senas, Eastern Gangas, Gajapatis, Delhi Sultanate, Bengal Sultanate, Mughal Empire, and the British Empire.