My Urls are :
http://abc.com/cities/view/1 -->http://abc.com/melbourne-day-tours/
http://abc.com/categories/view/3 -->http://abc.com/melbourne-day-tours/great-ocean-road-tours
http://abc.com/tours/view/1 -->http://abc.com/melbourne-day-tours/great-ocean-road-tours/great-ocean-road-adventure-tour
when i put http://abc.com/melbourne-day-tours/ in my bro, the url in the address bar shd be stay same, and it be call controller and the action for http://abc.com/cities/view/1
When you want the URL unchanged in the browser's bar, you must rewrite and not redirect
RewriteRule ^melbourne-day-tours/?$ /cities/view/1 [L]
The other rules look similar.