sasaram city, in the Indian state of Bihar, is the largest sub-metropolitan area of the state. Sasaram has many religious and historical places to visit, which are surrounded by the scenic Kaimur mountains and the Sone and Kav rivers. The name of the city is also spelled as Sahasram. It was an ancient village which was known as the gateway of "Vihar" as it would give one entry to the Nalanda and Gaya area. Gautama Buddha had passed through this city on his way to gaining enlightenment at Gaya. Many industries are situated around Sasaram city. Gauraxni, Fazalganj, New Area and Tomb Area are the commercial zones with several malls, multiplexes, hotels and premium medical facilities. The remaining regions like Muradabad, Dehri, Dalmianagar, Nokha, Tilauthu, Jamuhar, Son Nagar, Amjhor and Kudra function as the administrative headquarter of the Rohtas district. Sasaram city is known for its high literacy rate and the area with highest forest cover in Bihar. Sasaram is known for the production of fertilizer, stone chips, cement and for the quarrying industry. Bhojpuri, Hindi, and Urdu are the major languages spoken by the 1.5 lakh residents of Sasaram who mainly follow Hinduism, Islam, Sikhism, Buddhism and Jainism. The economy of Sasaram is fuelled by agriculture as well as related industries like rice polishing.
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.