Founded in the year 1996, an Indian Small Finance Bank with its headquarters in Jaipur is called AU Small Finance Bank Limited. In 2017, it changed its name from AU Financiers (India) Ltd, a vehicle finance firm, to AU Small Finance Bank. In conclusion, AU Bank stands for ‘Arya Union Bank’ and is a growing private sector bank in India. Originally established as an NBFC, the bank transformed itself into a scheduled commercial bank in 2017. AU Small Finance Bank, also known as AU Bank, is a banking and financial institution based in India. AU Bank gets its name from Au rum, the Latin word for gold, and its chemical symbol Au. AU Small Finance Bank Limited is an Indian scheduled commercial small finance bank, [5] headquartered in Mumbai. It was founded in 1996 as a vehicle finance company and was converted into a small finance bank in 2017.