@Purnima Jaiswal Thanks for your interest in using the service, as this is a preview feature of the service access is granted based on details submitted in the form. Unfortunately, most of the users of this forum would not have access to comment on providing access to this feature as this is provided by the product team working on the feature. According to the guidance please ensure the following:
On the form, you must use an email address associated with an Azure subscription ID.
The Azure resource you use must have been created with the approved Azure subscription ID.
Check your email (both inbox and junk folders) for updates on the status of your application from Microsoft.
Please add maccount[at]microsoft.com to your Safe Senders list to ensure you receive all correspondence pertaining to your application, including the verification email from Microsoft Vetting Service.
For questions about the application process, please contact our team at csgate[at]microsoft.com