HDFC Credit Card
Not getting monthly statement in mail

I have given my aforementioned mail ID for getting monthly statement from HDFC. I get mails from everywhere on this mail ID. However, since taking the credit card from HDFC, I am not getting the monthly statement in my mail, but I get a SMS saying that my statement has bounced back.

My experience with HDFC has been that in this bank, nothing goes smooth and systematically