The online registration for aeee began in january and the last date for registration would be around april 1st week.
slot booking for cbt would be in 2nd week of april.
Availability of admit card -2nd week of April
computer based exam date-4th week of april
papaer based exam date-4th week of april
result would be declared in 1st week of may and counselling begins in may.
for more information you can refer to: https://engineering.careers360.com/articles/aeee-application-form
hope this helps,