Kishanganj in Bihar was earlier a part of the Purnia district. The city, located in the Mithila region of the state, has now become a district on its own. The region has been under the dominance of the Indo-Aryan race, the Kingdom of the Videhas and was later incorporated into the Vajji confederacy. It is an economically backward region and is currently being funded by the Backward Regions Grant Fund Programme. Kishanganj is a Muslim majority area in Bihar that has more than 1 lakh residents. The people living in Kishanganj speak in Maithili, Urdu, Surjapuri and Hindi. Many educational institutions have been established in Kishanganj in the last few years. Sonia Gandhi laid down the foundation stone of the Kishanganj campus of Aligarh Muslim University in 2014. Dr. A P J Abdul Kalam Agriculture College is also being built at Kishanganj. The city has a strong railhead and is well-connected to the neighboring areas via railway as well as roads.
Ratnakar Bank was founded in August 1943. According to Business World-PWC Best Bank Survey, it was rated as the fastest growing small bank simultaneously in the year 2013, 2014 and 2015. In the year 2013, it bought a particular business of the Royal Bank of Scotland due to which 1.5 lakh of RBS customers moved to RBL Bank. In the year 2016, it acquired a 30% stake in Swadharv Finserve Pvt Ltd.RBL bank started the first credit card for Gold enthusiasts in association with Indian Gold Union. To support the government campaigns such as Make In India and Startup India, the RBL Bank came up with the Startup Club to fulfill the end to end banking needs of the emerging entrepreneurial community. It has also started the financial literacy program referred to as "Shaksham" in association with CDC to provide education to 25000 individuals and 300 villages in the four districts of MP. The RBL bank has also been a banking partner for the Delhi Daredevils. RBL even started another financial literacy program "Swadhaar Finaccess" for women from lower-income communities in association with Swadhaar Information and Management Services in Gujarat and Mumbai.