Recover Hacked Free Fire Account After Aircel Number Deactivation

I have a serious problem with my Freefire account, which was registered via my Facebook account. Some time ago my account was accessed by someone else, they used the account and then changed my password. From that moment I lost access to my account, I was so frustrated that I quit playing Freefire. At that time, the email/number I had used for this game was linked to an Aircel SIM card. Since Aircel has been discontinued, I can no longer receive any verification codes or help through that number or email, so I am unable to recover my account through normal methods. In the screenshot I added, it can be seen that my old number is now not even recognized as being linked to a Facebook account. I also have many old in‑game screenshots and photos of my Freefire account that I can provide to prove that the account truly belongs to me, and I am sure that the person who stole my account does not have any of these old screenshots. My clear request from Freefire support is to help me recover this specific account and link it to a new, active number or email that I can use. I would like my account to be restored to my control as soon as possible.