Ambattur is situated in the Ambattur taluk near Chennai, in the Indian state of Tamil Nadu. It is a fast developing city that hosts residential localities as well as manufacturing units. Ambattur was earlier a village with large expanses of agricultural farmlands irrigated by the Ambattur Lake. The Ambattur industrial estate established in 1964, increased the growth and development of the region. Ambattur falls under the Sriperumbudur parliamentary constituency. It has more than half a million residents and the city is organized into 52 wards for able administration. There are three major waterbodies in Ambattur - the Ambattur Eri, the Puzhal Eri and the Chithu Oragadam Lake. Problems such as dumping of garbage, sewage, water mining and construction of buildings have severely threatened the upkeep of these water resources. The industrial units drive the economy of Ambattur. It was a renowned auto ancillary hub which was joined by many IT companies in the late 2000s. The city has several manufacturing units of military tanks, textile industries, railway concrete sleepers, etc. IT companies such as MilesTs, Dell, Tata Consultancy Services, HCL Technologies, etc. have their development centers in Ambattur. A variety of birds reside in and around Ambattur; several woodland birds and water birds visit the region.
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.