Aircel — deactivate lost sim card

Dear sir /madam,

This is to inform you that my sim card with number [protected] is missing. I would kindly request you to block this prepaid sim card of mine to prevent misuse. Please take necessary action immediately. Awaiting to hear from you.
Kindly see to it as it is very very important to me as my sim card is used for various important transactions.

Thanking you,

Your's sincerely,

Naman yadav