Hello Aspirant

hope you are doing well and safe. With reference to your query,  I would glad inform you that DU doesnt offer btech in course streams like cse , ece. Though they started but  that was only batch and after it get closed . Now du offers btech in IT and mathematical innvoations,admissions in this course are done through the entrance test and interview conducted by the universtiy . The duration of the exam is 2 hours and of 400 marks . Kindly refer the following link

https://engineering.careers360.com/articles/du-btech

Hope you found this answer helpful. Good luck for your future