Customers who don't want to call also can send their queries or complaints online through virtual help, where they can raise their query or make a choice from the given examples.
If customers aren't happy with the responses, they can Contact the Citi bank customer care mentioned modes of communication then they can mail their grievance on the mailing addresses mentioned below:
Ordinary post
Citibank N.A.,
P.O. Box No. 4830,
Anna Salai Post Office
Chennai- 600 002
Registered Post
Citibank N.A.,
Mail Room
No. 2, Club House Road,
Chennai- 600 002