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 Kumbakonam Bank Limited, the previous name of City Union Bank, was registered as a limited company on 31 October 1904. In the Thanjavur district of Tamil Nadu, the bank initially preferred the role of a regional bank. The City Union Bank had a network of 600+ computerized branches (using TCS BaNCS software) as of November 2017 and 1,526+ ATMs across the country. The City Union Bank also offers a range of technical services such as self-service kiosks, bulk note acceptors, net banking, mobile banking, and Point of Sales, etc. The banks also provide savings and deposit products to meet the demand of various customers. It also offers many loan products to serve the financial needs of small individual customers to large industries. City Union Bank launched Indias first banking robot named Lakshmi in November 2016. It is the first on-site humanoid robot in India. The robot is capable of managing multiple tasks on sensitive financial information like account details. Dr. N Kamakodi is the MD and CEO of City Union Bank since 2011. The digital banking products and services of City Union Bank includes Passbook printing kiosk, Credit card and traveling card facility, cheque clearing kiosk, etc.