There is only one penthouse available for sale in this project, you can click on the link to check the details penthouse for sale
OR
You can call on this toll free number (1800) (180) (180) (180) Or You Post your Requirements to get matching properties details on your Email and Mobile.
As far as I know the project has got all the necessary approvals from banks and local body so I do not think there will be an issue. But I would suggest you that before booking cross check all the document provided by the builder