The city of Purnia in the Indian state of Bihar also functions as the administrative headquarters of both the Purnia district and the Purnia division. It is located in the Kosi- Seemanchal area of Bihar. Purnia hosts several military bases such as Indian Air Force, Indian Army, three branches of Indias Central Armed Police Forces, the Border Security Force, the Sashastra Seema Bal and the Indo-Tibetan Border Police. The name of the city may have originated from the Sanskrit word Purna?Aranya, which means complete jungle. Purnia has a large forest cover and is located in the Mithila region of the state. The city lies on the alluvial tract of the Gangetic Plain and numerous rivers flow through the area that are mostly the tributaries of River Koshi. The city experience a favorable climate and is often referred to as "Mini Darjeeling." There are around 3 lakh residents in Purnia. Maithili, Angika, Hindi, Urdu, Bengali as well as English are the commonly spoken languages in this area. Purnia has an agricultural economy. The fertile soil supports paddy cultivation. Crops like potatoes, wheat, khesari, chickpeas, lentils, barley, sugarcane, tobacco, chili peppers, maize, makhana, mung beans and jute are also cultivated in the area. There are several poultries and fisheries in Purnia. This rapidly developing city is equipped with all modern amenities and many educational institutions.
The State Bank of India was found on 1 July 1955. The Reserve Bank of Indias stake in SBI, took over by the government of India in 2008 to remove any conflict of interest because the RBI is the banking regulatory authority of India. The government passed the (Subsidiary Banks) Act, State Bank of India in 1959. This made SBI subsidiaries free, that had belonged to princely states before their nationalization. The operational takeover between September 1959 and October 1960, had earned eight associate state banks for SBI. The SBI united with the first Five Year Plan, which prioritized the development of rural India. The government integrated these associate banks into the State Bank of India system to expand its rural outreach. The State Bank of Jaipur and State Bank of Bikaner was merged with the State Bank of India in 1963. The SBI had 59,291 ATMs as of 31st March 2017. The SBI provided an integrated digital banking platform named "YONO" to its customers. The equity shares of SBI are listed on the Bombay Stock Exchange, and NSE.