hi Vishal thanks for your first update! it is good that you keep us in the loop so we will be able to guide you if you do something wrong and you can go accordingly without losing you time on further fixes if any. So please find our comments below:
1) Please try to leave all features but if you can not then realize hide/show function.
2) we could see it but unfortunately it is not quite right as we expected it to see (please read 3)
3) We think that FAQ and Contact us page in admin will be an admin area where admin will be able to control these content thus these both FAQ and Contact Us page managment should be relocated from the left hand side menu to the CONTACT MANAGEMENT area.
Content Management area will be containing all content editing pages access and their editing tools