Union Bank of India CHENNAI CHENNAI - OVERSEAS Branch in TAMIL NADU Address & Phone Number can be used for contacting directly, which helps to identify the Exact Location of the Bank. Union Bank of India CHENNAI - OVERSEAS Branch CHENNAI has many branches in TAMIL NADU. Address for Union Bank of India CHENNAI in TAMIL NADU clearly shows the Address of Union Bank of India. In today's fast world, we need quick banking solutions to suit our lifestyle.