Services

Do you mean you want to list other services in sidebar just like our demo installation? 

Please go to Appearance >> Menus and there select services menu and manage items you want to show there. Else you can go to Apperance >> widgets and remove the menu widget from services sidebar. 

Not like that. I means if I add a "Services Group" name "Lasik" and under that group I added services e.g. lasik 1, lasik 2 and so on. So If I open any of the service under group "Lasik" then on left side only "Lasik" group services will show.

And If I add a "Services Group" name "Catract"  and  under that group I added services e.g. Catract 1, Catract 2 and so on. So If I open any of the service under group "Catract" then on left side only "Catract" group services will show. 

Same for all services.

Hi this cannot be achieved without addition of extra feature in WordPress. We don't have any plan to add this type of feature as well. I recommend you to see this plugin if this helps you. https://wordpress.org/plugins/easy-custom-sidebars/