The university of delhi started its application process for the various programs offered by the university from the month of may . This year too the admissions applications are expected to start from the month of May 2019 . The same applies for the Du-Jat or the Delhi university joint entrance ability test examination.
For du http://www.du.ac.in/du/
For further information regarding admissions/cutoffs/entrance tests
You can visit careers 360 - https://university.careers360.com/articles/du-admission
Hope it helps