Stefan-Koch
Databricks Partner

Hi Sri

Yes, you should install Databricks CLI, because DAB's are part of the CLI. 

See the doc for DAB: https://docs.databricks.com/en/dev-tools/bundles/index.html

For CI/CD-Pipeline with Github Action, see this: https://docs.databricks.com/en/dev-tools/bundles/ci-cd-bundles.html