All India common entrance examination is conducted by the veterinary Council of India
Important Dates are mentioned below that will help you
Release of online/Offline applications - first week of January
Availability of applications form-2nd week of January
Closing of applications form-third week of February
Availability of admit card-April
Aicee exam 2020- first week of May
(the officially dates are not out yet so I'm giving you information on the basis of past years)

Feel free to comment if you have any doubt
Good luck