@Naveen Kumar Kakarla (Quadrant Resource)
Thank you for reaching out.
For all Monitoring and Alerting, you should visit following Doc -https://learn.microsoft.com/en-us/azure/postgresql/flexible-server/concepts-monitoring
Use the Azure portal to set up alerts on metrics for Azure Database for PostgreSQL - Flexible Server
And there's tons of new articles on monitoring at our New Blog Site - https://techcommunity.microsoft.com/t5/azure-database-for-postgresql/bg-p/ADforPostgreSQL
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread. Regards, Oury