Previously CEE was supposed to be held on 26th April 2020. However it got postponed due to the lockdown. New dates are yet to be released. So be patient and keep in touch fir further updates.
the assam CEE exam has been postponed by assam science and technology university (ASTU) till any further notice due to this corona pandemic all around , also the date of submitting the application form is also extended
i would suggest you to be active on official website for getting all the latest updates