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
Under the Companies Act of 1913, South Indian Bank was registered as a Private Limited Company and started operations on 29th January 1929 at Round South, Thrissur. South Indian Bank Limited is based at Thrissur in Kerala, India. It has 852 branches, four service branches,56 extension counters, and 20 Regional Offices spread across the states and union territories of India. Under Financial Inclusion till date, the bank has covered more than 100 villages and 15 urban centers and opened more than ten exclusive FLC Centres in the bank premises, which spreads across the states of Kerala, Andhra Pradesh, Tamil Nadu, and Chhattisgarh. SIB has appointed direct Business Correspondents in the allocated rural areas under the supervision of a team of officers in the FIP Cell - Head Office. Recently "KIOSK Banking Model" is introduced by the bank as Financial Inclusion Initiative in collaboration with Akshaya e-centres in Kerala state through the software service provider - M/s Tata Consultancy services. The kiosk is a kind of banking model for people who are living in areas where banking facilities are not available so that they can avail necessary banking facilities from a nearby service center or Business Correspondent Office without visiting a regular bank branch. Basic banking needs of the public like the opening of an account, deposit and withdrawal of cash, etc. can be availed from these common service center/BC Office.