Have to lock sim card lost

Name of Complainant	Vinodhini
Date of Complaint	October 8, 2020
Name(s) of companies complained against	Airtel
Category of complaint	Cyber Crime
Permanent link of complaint	Right click to copy link
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Text of Complaint by Vinodhini:

I lost my sim card someone wants to know the call history so I need to block sim card

Image Uploaded by Vinodhini:

Consumer Complaints Court