If you have a score of 90 and above then it is better to join DU than DEI. DU provides enough exposure which will be beneficial for your career.
DU is a well reputed institute and everybody is familiar with it, so let me provide you with some facts of DEI, which will help you get a basic idea about the college.
If you want to enjoy your college and prepare for any government services with your graduation then choose DU. Otherwise DEI is good if you want to pursue higher education.