Airtel — unable to update email id

Good morning staff on duty,

Requesting you to add my email id [[protected]@emirates.com] to my prepaid mobile number account, which is [protected]. If you need any details from my side, please let me know.

Regards,
Vinod arul

Response from 121 - airtel customer care:

From: 121 [mailto:[protected]@airtel.com]
Sent: 21 september 2020 09:39
To: vinod arul thambu
Subject: re: update email id to my airtel prepaid account

Dear customer,

Thank you for reaching out to us.

The email id from which you have written to us is not registered against airtel number [protected].

For your account security, we would request you to call us at our customer care number 121 and get your email id registered against your number.

Warm regards,
Bharti airtel ltd.