The city of Nandyal is situated in the Kurnool district of Andhra Pradesh. It functions as a municipality as well as the headquarter of the Nandyal Mandal in the Nandyal revenue division. There are over 2 lakh residents in this city and they speak in Telugu. The City was earlier known as Nandalluru. It receives its name from Nandi, the vehicle or "vahana" of Lord Shiva. The word Aalaya means house or abode in Sanskrit. The city of Nandyal is surrounded by nine Nandis. Hence, it was named as Nandi Aalaya. Over the time, the name got modified to Nandyala or Nandyal, which is the present name of the city. Nandyal is surrounded by nine temples of Nandi, the bull. These bull temples are collectively known as the Nava Nandi. The largest Nandi idol in the city is in Sri Yaganti Uma Maheswara Temple. The Archaeological Survey of India claims that the rock grows at a rate of 1 inch in 20 years. Nandyal is a major hub of industries as well as agriculture. The city is rich in natural resources like marble. Additionally, there are numerous rice mills and oil mills in the area apart from a few industries that produce milk, soft drinks, sugar, PVC pipes, etc. A few famous companies like Milk Dairy, Nandi Polymers, S. P. Y. Agro and Nandi Steels have set up their units in the city.
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.