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.
PNB was found in 1894 and registered under the Company Act on 19th May with its office in Lahore before partition. Presently the head office is in New Delhi, India. The bank had over 80 million customers, 6,900 branches across India. Overseas, PNB has a banking subsidiary in the UK, Kowloon, Hong Kong, Dubai, and Kabul. It was established with the primary objective of strengthening the economic development in the country. The representative offices of PNB are in Dubai, Sydney, Almaty, Oslo, and Shanghai. The bank started its operations on 12th April 1895. The founding members of PNB consist of many leaders from the Swadeshi movement. Mr.Lala Lajpat Rai was actively involved with the management of bank in its initial years of formation. The PNB was the first national bank to began and survive with the national capital. It had the privilege of maintaining accounts of prominent leaders such as Lal Bahadur Shastri, Mahatma Gandhi, Indira Gandhi and JL Nehru. The first branch of PNB outside Lahore was started in 1900. In 1969, the government nationalized it.