Karaikudi is situated in the Sivaganga district of Tamil Nadu. It is a greater municipality and the states 20th largest urban agglomeration. It is part of the Chettinad area and has been declared a heritage town by the State Government of Tamil Nadu. Karaikudi is known for its palatial houses that are built with limestone called Karai Veedu. Karaikudi has derived its name from the thorny plant called Karai. It has been referred to in the ancient literature as Kareekudi. The name gradually got modified and modernized into Karaikudi. It was established in the 19th century. The oldest known structure in the area is the Koppudaiya Nayagi Amman Temple. The town of Karaikudi is home to the Nagarathars and the Chettiars who form the business community, the financiers and the trade facilitators. Karaikudi is a rapidly developing urban center. UNESCO has proposed to set up a Chettinad Heritage Museum in the area, recognizing the unique architectural style of the region. Karaikudi is known for its palm leaf baskets woven by the women, known as Chettinad Kottan. Chettinadu Kandangi sarees of Karaikudi are widely popular in the region. The handicraft industry in Karaikudi is indeed a thriving business. Karaikudi is also known for its delectable cuisine. There are many prominent temples in the area that attract tourists. Kundrakudi Shanmuganathan Temple, Ariyakudi Thiruvengamudayan Temple, Pillayarpatti Karpagavinayagar temple, Thirumayam Permual Temple, Kannadasan Mandapam, Kamban Manimandapam, Chettinad Raja Palace and Thousand windows house are the visitor attractions in Karaikudi
The government owns 63.44% of the share capital of Union Bank of India making it one of the largest government-owned bank. As on 30 September 2015, the Union Bank had a network of 6909 ATMs. The online telebanking facility of UBI is available to all the Core Banking Customers, either individual or corporate. UBI had 4214 branches, as of September 2016. Out of them, four bank branches are outside India in Hong Kong, Antwerp, and Sydney (Australia) Dubai International Financial Centre. The representative offices of UBI are at Abu Dhabi, Shanghai, Beijing. The Union Bank of India (Union Bank) was registered as a limited company in Mumbai on 11 November 1919, and Mahatma Gandhi inaugrated it. The Union Bank of India had only four branches - three in Mumbai and one in Saurashtra at the time of Independence in 1947. After Independence, the growth of UBI was accelerated, and the Indian Government nationalized it in 1969. It had 240 branches by that time. The Union Bank of India acquired Belgaum Bank shortly after nationalization. The UBI bought the Miraj State Bank in 1985. In 1999 the Union Bank was requested by the RBI to acquire Sikkim Bank in a rescue after extensive irregularities had been discovered at the non-scheduled bank.