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