Google India / Tez — Google Account Hacking

Hello,
I have 2 google accounts.
1. Personal : [protected]@gmail.com
2. Business : [protected]@gmail.com
I have included my mobile number - [protected] as well as both the e-mails for 2-step verification process as well as account recovery.
For the security reasons I am using back up codes as well as security key.
I usually change my password for security reasons.

After changing my password recently, I couldn't login into both of my accounts saying my password is incorrect.
Now I am reporting this bug :
After clicking on forgot password I don't see options like -
1. Send code on mobile number.
2. Use back up codes.
As this happened with my old google accounts where I couldn't recover my accounts.Kindly resolve this issue to secure my both the accounts and to avoid such problems in future.
Your help is of much importance.

Thanks and Regards,
Vaibhavi Shinde.