You will be able to access http://www.findmyciti.com/in/ (a third party website) on clicking "Locate Branch". Third party websites are not owned or controlled by Citigroup who bears no responsibility for them.
Click on Locate Branch
Select Branch and ATM on the check box on the top
Enter the name of a city and click on Search
Place the arrow/cursor on the required Location
The complete address of the Citibank Branch will be displayed