You can display the Groups in Single mode or Multiple mode, since it is only display Tally.ERP 9 does not allow you to alter any information in display mode.
Go to Gateway of Tally > Accounts Info. > Group > Display (under Single Group)
Select the name of the Group from the List of Groups. You cannot make any changes in the Display mode.
Displaying a Single Group
Go to Gateway of Tally > Accounts Info > Group > Display (under Multiple Group)
Displaying Multiple Groups
Select the Group from the List of Groups to display all the Groups under the selected Group or select All Items to display all Groups. The Multi Group Display screen lists Groups and the corresponding details of the Groups.
F4: New Parent (Ctrl+F4) - You can navigate to select any other Group in the display mode by selecting this button from the Button Bar.