Hi there Raj Rabeya (INFOSYS LIMITED)
Thats a good question and thanks for using QandA platform
To resolve the RequestDisallowedByPolicy
error when deploying an ARM template or Bicep file, you need to find which policy is blocking the deployment. Within that policy, you need to review the rules so you can update your deployment to comply with the policy.
az policy definition show --name
I suggest you to run through this documentation fore a detailed info
If this helps kindly accept the answer thanks much.