[Resolved]  HDFC Bank — fake call asking for the credit card

I got a call from tbe number+[protected] on sept 23rd 2018 asking if i require credit card. I said yes and they asked for the below document by mesaage document required for hdfc
1. Aadhar card copy
2. Pan card copy, below sign
3. Passport size photo 1
4. Company id card copy
5.2 months salary slip copy
6. 2 months bank account statement copy
7. Electric bill
From the same number and asked me to send the copy tto the email id credit. [protected]@gmail.com. I sent the documnet on 27th sept 2018 at 6pm. Then i realised it is fake as they stopped receiving my calls.
How will i protect my document privacy from them. How will any one believe in hdfc bank now.