(i) Only the Administrator can create the project space and assign team members with roles.

(ii) Defining the read/write permissions for each module allowed to members within team and should not be accessible to others outside the team.

(iiI) Accessibility to repository with different privileges like administrator, project manager/leader, team member.

(iv) Provision for Group-Heads to view & monitor all the projects under the group.

Let me know is above possible in RTC while doing Version controlling.