Adoni is located in the Kurnool district of Andhra Pradesh. The municipality of Adoni also functions as the headquarter of the Adoni Mandal and the Adoni Revenue Division. Adoni has a population of more than 1.5 lakh residents, who speak in Telugu. Adoni was a fort town of the famous Vijayanagara Empire during the 15th to 16th centuries. After the decline of this glorious empire, Adoni went into the hands of Ali Adil Shah I of the Bijapur Sultanate. The Mohammedan rulers soon captured the area within a few years. The area was tossed to the hands of the Nizams and the Marathas and finally went to the British. In the late 19th century, Adoni faced a severe El Nino famine which claimed nearly one-third of its population. Adoni became a part of Andhra Pradesh in 1953. Adoni is a huge producer of cotton. The city has a thriving ginning and textile industry. Groundnut oil is another major production of Adoni. This city is also an important trading center in the state, with a large market situated in the center of the town. Adoni is often referred to as the second "Bombay" of India for its businesses and also for its cotton exports.
In 2000, Indian Overseas Bank engaged in an initial public offering (IPO) that brought the governments share in the banks equity down to 75%. In 2001, the IOB acquired the Mumbai-based Adarsha Janata Sahakari Bank. Then in 2009, the bank took over Shree Suvarna Sahakari Bank, which was founded in 1969 and had its head office in Pune. Since 2006, Shree Suvarna Sahakari Bank had been in administration. It had nine offices in Pune, 2 in Mumbai and 1 in Shirpur. The total strength of employees was estimated to be more than 100. On 29 August 2003, the Indian Overseas Bank has opened an extension counter at New Kathiresan Temple complex, Bambalapitiya, Ceylon. The IOB opened a representative office in Guangzhou, China in 2005 followed which the bank opened another representative office in Kuala Lumpur and 2009 in Dubai, UAE. In the new millennium, international expansion started once again. The bank took over Bharat Overseas Bank in 2007. After three years, Malaysia granted a commercial banking license to a local bank jointly owned by BOB, IOB, and the Andhra Bank. The new bank named, India International Bank ( IIB Malaysia), began its business in 2012 in Kuala Lumpur and had a large population of Indians. The Andhra Bank holds 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 opened an offshore banking unit in Colombo, Sri Lanka. The bank also converted its existing Extension Counter at Ceylon into a full-fledged branch.