The Revolution of Seven

Days of Week ......................... Seven
Earths .......................... Seven
Sky ......................... Seven
Miracles of World .......................... Seven
Ashab-e-Kahaf ............................ Seven 
Manzils of Quran ......................... Seven
Layers of Eye ...................... Seven
Seas ........................... Seven
Main Land .......................... Seven
Number of Ends ........................Seven
Basic Colours .......................... Seven