Cloudera groups are not being synced in Ranger

Hello team,

We are facing issue and expecting your help here regarding 

Problem Statement :

We create groups using in Cloudera user management using APIs.

We can see those groups in Cloudera user management but not  could not find them as Ranger Groups. It seems groups are not being synced in Ranger.

What are the possible solutions ? 

Any API is exist to sync users and groups?