Bihar Bihar Bihar (; ) is an Indian state considered to be a part of Eastern and Northern India. It is the thirteenth-largest Indian state, with an area of . The third-largest state by population, it is contiguous with Uttar Pradesh to its west, Nepal to the north, the northern part of West Bengal to the east, with Jharkhand to the south. The Bihar plain is split by the river Ganges, which flows from west to east. Bihar is an amalgamation of three distinct regions: Magadh, Mithila, and Bhojpur. On 15 November 2000, southern Bihar was ceded to form the new
Provinces of Madagascar The new constitution of 1992 stated that the country should be divided into decentralised territorial entities, without going into detail. By law of 1994, three entity levels were defined: regions, departments and communes. The provinces were not mentioned in the law. After former president Didier Ratsiraka was re-elected in 1997, he 1998 introduced a revised constitution in which the still existing provinces were transformed to "autonomous provinces". Before that, no constitution had stated any details about the subdivisions of the country, leaving it to be ruled by law. The autonomous provinces were created in 2000. The official motivation was to