Air India — Refund not received PNR-ZBNG2 / REFUND APPLICATION NO [protected]

Reg. PNR-ZBNG2

we would once again like to bring to your kind attention that
we have booked a flight coimbatore - ahmedabad via chennai

date of booking : 6.10.19
date of travel : 27.1.20

Passenger Name : Mr Bhavik Maheta

where the passenger travelled from coimbatore to chennai
but the connecting Air India flight from chennai to ahemdabad was cancelled BY AIR INDIA.
and the amount is still not credited to our account.

we have put number of mails in regards to the same, but there is no response.

Pls find attachment