Hello Vijan Bandarathilake,
Thanks for your question.
Given that backups were not enabled prior to this incident, the options for recovery are limited.
Reach out to Azure Support to inquire if they can assist in recovering your data. While there’s no guarantee, they will be able to provide you with more info on what your options are if it is critical.
To reach Technical support:
https://azure.microsoft.com/en-us/support/plans
You can mark it 'Accept Answer' and 'Upvote' if this helped you
Regards,
Abiola