How are Amity University's different campuses; ranked in the descending order?

It depends on the perspective of separate individuals. Below is a subjective preference order based on two different factors, i.e. campus popularities and fee structure. The list is based on the reviews I got from my friends at the institutes. 

1. Amity Noida- It is one of the oldest among every Amity campus. 
2. Amity Gurgaon- Amity Gurgaon is India's one of the greatest corporate hubs so the chances of placements are always tremendous. A special mention to the campus. It is simply beautiful and profound. 
3. Amity Lucknow
4. Amity Jaipur
5. Amity Gwalior

Also here is the list of Amity University branches based on fee structure ranging from high to low

Amity Noida> Amity Gurgaon> Amity Lucknow> Amity Jaipur> Amity Gwalior