Qatar Airways — Travel voucher

Good morning,

I have been trying to get my problem resolved since January and there has been NO help from Qatar airways at all . Every time I call or correspond, I get have to reexpain the entire issue, every one is very polite but NOTHING happens.
I was assigned this number CAS[protected]C7C0S5 when I made a complain several weeks ago,

This is the issue that I would like help with:

June 2020 : I booked a ticket in June 2020 and the flight was cancelled due to Covid. I was given a travel voucher number[protected]attachment Prasanna VelamuriVoucher1.pdf) in the amount of Rs. 376227

21st Aprl 2021 : I then booked a ticket PNR QDDHZD (on the Qatar webpage) with the above voucher and received another voucher for the remaining amount(attachment Prasanna VelamuriVoucher2)

I could not use this ticket to fly on May 6th 2021 due to restrictions on Indian passport holders by the United stat government. I requested Qatar airway(by phone) to cancel to leave it as an open ticket for use later.

Jan 2022 : On the 28th of January I called Qatar airway on the phone to request that the open ticket be changed to a travel voucher as the amount on the open ticket was not enough for me to book a business class ticket.

6th March 2022 : After following up for 6 weeks and many phone calls I was issued another voucher[protected]attachment Prasanna VelamuriVoucher3).

However the amount on this voucher is Rs. 309364

There is a total of Rs. 66863 less than the amount I spent on my original ticket.

I have spoken to staff at Qatar airways on the phone many times and they all agreed that they realize there is an issue and have contacted the finance department but the issue has not been resolved.

PLEASE HELP!!!

I don't know what more I can do. I have spent atleast 14-15 hours on the phone with Qatar airways staff(between waiting, being on hold and explaining the problem), I have written to customer care, I have complained on the website but nobody has been able to help me.

Regards,
Prasanna Velamuri