As of now, only tentaive exam date is declared as exam will be held on 21-22nd April 2018 and tentatively the registration should be started in this month (March) only and it should be over in April.
For reference, you can go through the below link -
http://www.vyapam.nic.in/e_default.html
Good Luck!!!
College Comparison based on Courses, Placement, Rank, Fee
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile