Dear Aspirant,

To get into IIT Delhi computer science branch you have to give JEE examination, which is an exam based on plus two with the questions from the domains of PHYSICS, CHEMISTRY AND MATHEMATICS.

You have to study physics, chemistry and mathematics till plus two level. Moreover, you have to be in 12th class wiht the following subjects:-

PHYSICS CHEMISTRY MATHEMATICS ENGLISH AND COMPUTER SCIENCE/INFORMATION PRACTICE/PHYSICAL EDUCATION, etc for the fifth subject.

The following link will help you further:-

https://engineering.careers360.com/articles/how-prepare-for-jee-main

THank you.