Hi All. Is there any best practices documentation on how we create multiple deployments in Prefect for different flows? Like do we need to create different deployment.py file or different YAML files or single YAML file?

Yep. With 2.10.17 a single prefect.yaml file can have multiple deployments in the deployments section: https://docs.prefect.io/2.10.17/concepts/deployments-ux/

Thanks