Air India — Ticket refund

I had booked 2 ticket in air india which at the time of booking was tagged as partially refundable.
However not a single rupee was given as refund upon cancellation

Booking ID - [protected]
And
Booking ID - [protected]

At the time of booking it was mentioned that only the convienience fee is non refundable.
But when the ticket was cancelled many other charges were deducted from the booking amount zero refund was issued.

Kindly look into the matter.