Hey aspirant, as per the statement released by the officials the date for the exam is 9 April 2019. But the date is marked as tentative that is it may change in the coming days.

For more details about the IUET exam you must visit the link below:

https://www.careers360.com/exams/iuet

Hope it helps but if you have further doubts regarding this please feel free to ask in comments.