Darbhanga is situated in the Indian state of Bihar. It is a municipal corporation, as well as the administrative headquarter, for the Darbhanga district and the Darbhanga division. It is considered to be the cultural hub of the Mithila region. Historically, Darbhanga was the seat of the Raj Darbhanga as well as the capital region of ancient Mithila. The city hosts nearly three lakh people and experiences a humid climate. The city is known for its educational institutes like the prestigious Darbhanga Medical College and Hospital, Womens Institute of Technology, Darbhanga College of Engineering, Kameshwar Singh Darbhanga Sanskrit University, etc. The city is well connected to all other important regions in the vicinity through roads and railway. Darbhanga Junction is one of the oldest railway stations of Bihar and has a massive network. It is one of the highest earning railway junctions in the eastern zone. The airport at Darbhanga was earlier a military base but is scheduled to operate commercial flights in 2019.
In 1964 the head office of Indian Overseas Bank was inaugurated at Mount Road. The Indian Overseas Bank has been the first public sector bank to introduce mobile banking services using Wireless Application Protocol(WAP). On 29 August 2003, the Indian Overseas Bank has opened an extension counter at Bambalapitiya, Ceylon. In 2005, the IOB began a representative office in Guangzhou; China followed which the bank opened another representative office in Kuala Lumpur and Dubai, UAE. In 2007 The bank took over Bharat Overseas Bank. After three years, Malaysia granted a commercial banking license to a local bank jointly owned by Bank Of Baroda, Indian Overseas Bank, and the Andhra Bank. The new bank named, India International Bank (IIB Malaysia), began its operations in 2012 in Kuala Lumpur and had a large population of Indians. The Andhra Bank has a 25% stake in its joint-venture, BOB owns 40%, and remaining 35% is with IOB. On 31 August 2013, the Indian Overseas Bank has incorporated an offshore banking unit in Colombo, Sri Lanka. The bank also converted its existing Extension Counter at Ceylon into a full-fledged branch. In 2014-15, the IOB bank has crossed the target of 3000 ATMs as on 2014.IOB also launched m passbook app as a new mobile banking initiative.