Hi Aspirant

Hope this information help you:

GAT is the first phase of AIEED & is compulsory for all applicants.
MODE: Only ONLINE (2 Hours / 3 Slots)

Creative Aptitude Test (CAT)(within 3 days of completing GAT)
MODE: ONLINE (3 hours)

INTRODUCTION TO YOURSELF (Video, Portfolio & Skype Interaction)

Ofcourse there will be center for online test .You will receive admit card before  the examination with all details.If you still have query you can call to this toll free number:1800 3070 0626 

Also you can whatsapp to +91 9414070678

All the best