Thread:Extension talk:CategoryTree/how to make multi level

Hello My idea is to bring up like this Introduction->Introduction1 ->Introduction1.1 ->Introduction1.2 ->Introduction2 I have created a category Introduction,i have also created a category Introduction1 and Introduction2 ,and created 2 pages Introduction 1.1. and introduction1.2 Inside introduction 1 and Introduction 2 I have written and inside Introduction1.1 and Introduction1.2 i have written there is page called Myhome where i have coded like this but only Introduction1 and 2 are listing, the subcategories Introduction1.1 and Introduction1.2 of Introduction1 are not getting listed.

Stuck here for a while, hope i will get a solution