Hi Ashad.

To get admission in Dayalbagh Educational Institute, you have apply for the same. it can be done online through their website or offline through the application form bought from the office. Admission to B.Tech full time courses is based on you JEE Main 2018 scores. You have to score atleast 30% marks in JEE Main, inorder to be called for the personal interview. The final list of selected students will be posted, after this interview by considering you academic merits, test marks and interview results.

All the required details are given in their online prospectus. So, for more details, please refer that or their website.

https://www.dei.ac.in/dei/admission/files/Admission%202018/Prospectus%20-2018-19%20(FINAL).pdf

https://www.dei.ac.in/dei/admission/

Good Luck.