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.
IOB based in Chennai, is a public sector bank with almost 3400 domestic branches, including 1150 branches in Tamil Nadu, and eight offices in overseas as of 31 October 2017. An ISO certified in-house Information Technology department, which had developed the software used by IOB to provide online banking to customers earlier. The IOB had a network of around 3300 ATMs across India, as of 2016. The branches of IOB are in Singapore, Bangkok, Colombo, Seoul. The representative offices of IOB are in Guangzhou, Dubai, and Vietnam. In 1937, the Indian Overseas Bank (IOB) was established by Thiru.M. Ct. M. Chidambaram Chettyar for encouraging foreign exchange operations and overseas banking. IOB opened a representative office each in Guangzhou, China, and Kualalampur. IOB opened other Representative offices in Dubai and the United Arab Emirates in the year 2009. In 2015, IOB launched m Passbook applications and new mobile banking services. The Apollo Munich Health Insurance has tied up with IOB to serve specialized health and personal accident products to its customers.