Managing closed groups has following features:
- Inviting members by admin
- Approving membership by admin
- Membership profile managed by member (admin can create only initially but later member needs to edit)
- Reminding about membership fees
- Marking payments as done (not online payment).
- Birthday wishes by Email.
- Member list could be optionally made public.
- If a member is part of another group then he will see both groups at the same time