AILET 2020 Exam that was scheduled on 18 August 2020 has been postponed till further notice in the view of current COVID-19 pandemic situation. Students will be notified at least 10 days prior to the date of conduction of Exam.
All of this information was given by NLU, Delhi in a notice dated 29 July, 2020.
Refer here for more info - https://law.careers360.com/articles/ailet#AILET-2020--Latest-news-and-updates-Last-update--July-29
Feel free to ask doubts in the Comment Section.
I hope this information helps you.