Hi Ashish,
Please see below article which will walk you through deploying web app to Azure App Service from Visual Studio:
Quickstart: Deploy an ASP.NET web app
Additionally, you may complete below training module:
Publish a web app to Azure with Visual Studio
https://learn.microsoft.com/en-us/training/modules/publish-azure-web-app-with-visual-studio/
Please click Accept Answer and upvote if the above was helpful.
Thanks.
-TP