Jamnagar, situated in the western Indian state of Gujarat, is the fifth largest city in the state and also the administrative capital of Jamnagar district. The city has plenty of nicknames. It is also known as ?Brass city? for its largest production of Brass items in India. The city is also nicknamed as ?Oil city? for hosting the world?s largest oil refinery of Reliance Industries. Jamnagar is divided into 21 wards and subzones for an effective administration. The economy of the city is mainly sourced from its mining industries. Jamnagar is the home of Reliance Industries and petrochemicals, which obviously boosts the citys economic growth. Jamnagar has huge reserves of bauxite. It is known for the traditional "Bandhani" clothes that are popular all over the world. The city hosts many educational institutions like Government Polytechnic College, Gujarat Ayurved University, Shri Vidhyasagar Infotech College, M P Shah Medical College, Government Dental College & Hospital, etc. There are a handful of visiting spots in the city like Darbargadh Palace, Willingdon Crescent, Pratap Vilas Palace, Lakhota Fort, Solarium, Bhujio Kotho, Kotha Bastion, Dhanvantri Mandir, Jam Ranjitsinhji Park, Ranjit Sagar Dam, Shantinath Mandir, Balachadi Beach, etc. Jamnagar has base stations of all three wings of Defence - the Indian army, navy and airforce.
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.