Bihar (; Hindi pronunciation: [bɪˈɦaːr] (listen)) is a state in eastern India. It is the third-largest state by population and twelfth-largest by territory, with an area of 94,163 km2 (36,357 sq mi). Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West Bengal to the east, and with Jharkhand to the south. The Bihar plain is split by the river Ganges, which flows from west to east. Bihar is also the world's fourth-most populous subnational entity.On 15 November 2000, southern Bihar was ceded to form the new state of Jharkhand. Only 11.3% of the population of Bihar lives in urban areas, which is the lowest in India after Himachal Pradesh. Additionally, almost 58% of Biharis are below the age of 25, giving Bihar the highest proportion of young people of any Indian state. The official languages are Hindi and Urdu, although other languages are common, including Maithili, Magahi, Bhojpuri and other Languages of Bihar. In Ancient and Classical India, the area that is now Bihar was considered the centre of political and cultural power and as a haven of learning From Magadha arose India's first empire, the Maurya empire, as well as one of the world's most widely adhered-to religions: Buddhism. Magadha empires, notably under the Maurya and Gupta dynasties, unified large parts of South Asia under a central rule. Another region of Bihar is Mithila which was an early centre of learning and the centre of the Videha kingdom.However, since the late 1970s, Bihar has lagged far behind other Indian states in terms of social and economic development. It's gained a highly negative reputation among the denizens of India to a degree where being called 'Bihari' is an insult. Many economists and social scientists claim that this is a direct result of the policies of the central government, such as the freight equalisation policy, its apathy towards Bihar, lack of Bihari sub-nationalism, and the Permanent Settlement of 1793 by the British East India Company. The state government has, however, made significant strides in developing the state. Improved governance has led to an economic revival in the state through increased investment in infrastructure, better healthcare facilities, greater emphasis on education, and a reduction in crime and corruption.

Gwalior (pronunciation ) is a major city in the central Indian state of Madhya Pradesh; it lies in northern part of the state and is one of the Counter-magnet cities. Located 343 kilometres (213 mi) south of Delhi, the capital city of India, 120 kilometres (75 mi) from Agra and 414 kilometres (257 mi) from Bhopal, the state capital, Gwalior occupies a strategic location in the Gird region of India. The historic city and its fortress have been ruled by several historic northern Indian kingdoms. From the Kachchhapaghatas in the 10th century, Tomars in the 13th century, it was passed on to the Mughal Empire, then to the Maratha in 1754, and the Scindia dynasty of Maratha Empire in the 18th century. In April 2021, It was found that Gwalior had the best air quality index (AQI 152) amongst the 4 major cities in Madhya Pradesh.Besides being the administrative headquarters of Gwalior district and Gwalior division, Gwalior has many administrative offices of the Chambal division of northern Madhya Pradesh. Several administrative and judicial organisations, commissions and boards have their state and national headquarters situated in the city. Gwalior was the winter capital of the state of Madhya Bharat which later became a part of the larger state of Madhya Pradesh. Prior to Indian independence on 15 August 1947, Gwalior remained a princely state of the British Raj with the Scindia as the local rulers. High rocky hills surround the city from all sides, on the north it just forms the border of the Ganga- Yamuna Drainage Basin. The city however is situated in the valley between the hills. Gwalior's metropolitan area includes Gwalior city centre, Morar Cantonment, Lashkar Gwalior (Lashkar Subcity), Maharaj Bada, Phool Bagh, Thatipur.Gwalior was one of the major locations of rebellion during the 1857 uprising. Post-independence, Gwalior has emerged as an important tourist attraction in central India while many industries and administrative offices came up within the city. Before the end of the 20th century it became a million plus agglomeration and now it is a metropolitan city in central India. Gwalior is surrounded by industrial and commercial zones of neighbouring districts (Malanpur – Bhind, Banmore – Morena) on all three main directions. Gwalior has been selected as one of the hundred Indian cities to be developed as a smart city under PM Narendra Modi's flagship Smart Cities Mission.