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