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