[Anton Rahman]

sorry forgot all about it , since the site is under development so the forums are off

anyway what we have is absolutely all the defaults of vBulletin even mods are also totally off and we are using default style as well.
our forum topics hierarchy is as follows:

MAIN CATEGORY "acts as category so no post" -------> SUB CATEGORY "also acts as category so no post" and this SUB CATEGORY is the children of the MAIN CATEGORY which we still need to hide from forum home page -------> then a final SUB CATEGORY "where users may post " which is the children of the above mentioned SUB CATEGORY of the MAIN CATEGORY and which with your advice we were able to hide from home page