Hi Pankaj,
I have more data to help you find a solution.
This issue is not happening with all closed groups.
When i click to visit some closed groups (either as a guest-visitor or as logged-in) then i can see only the 'description' tab named 'group details' as the subject/title, and not the 'activities stream' of the group, which is fine.
But in other closed groups i can see the the 'activities' stream despite that the title is 'group details'.
I changed the settings of the groups in jomsocial theme designer from 'activity stream' to 'description' and checked if fixed. But no, the problem is still there.
How can i display to non group-members, the 'description' instead of 'activity stream' for all closed groups?
Any suggestions?
Thank you