Airindia - Ticket refund received but 2100 deducted

Thank you we have received the refund .
Of *,**,***
But we paid *,**,***

This was a wifi error and we put cancelled within ** hrs .
Aa per airindia rules if cancelled within ** hrs we get full refund.

Ticket number : *************
Date of travel - *dec

flight - AI ***

reference number = WB-IDEL**********

Please look into this