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.
In 1943, Rai Bahadur Lala Sohan Lal Ji, the first Chairman of OBC, founded it in Lahore. Within four years of its existence, the Oriental Bank of Commerce had to face Partition between India and Pakistan. The bank had to shut its branches in the newly formed Pakistan and move its registered office to Amritsar. The period of 1970-76 had been the most challenging phase in the history of the Bank. The OBC merged with Global Trust Bank (GTB) on 14 August 2004. The acquisition brought 103 branches with it, which increased OBCs branch number total to 1092. The bank presents a wide range of banking products and financial services such as deposit accounts, credit cards with a tie-up with SBI, Insurance products, ATMs, loans, debit cards, Internet banking, Self-banking halls, call center, mobile banking, etc. The Bank has introduced another peoples participation in the planning process at grass root level fundamentally to tackle the maladies of poverty. The Grameen Projects venture aimed to alleviate poverty while identifying the reasons responsible for the failure or success. The OBC has already introduced a GRAMEEN PROJECT in Dehradun District (UK) and Hanumangarh District in Rajasthan.