Hello aspirant,

To secure a seat in computer science engineering in IIT Delhi you need to be tremendous in your practice.You need to qualify in JEE mains to appear for JEE advanced and get a good rank to fetch a seat in IIT Delhi.You need to secure a rank below 100.To achieve that you need to work really hard and practice regularly.Plan a schedule and strictly stick to it and practice as many mock tests as you can.You need to refer standard materials.You need to keep on revising the concepts which you have studied.Keep a track of your mistakes and rectify them.Prepare short notes it will be helpful fo quick revision.Keep motivating yourself take the help of your family and friends.Give your best.

I hope this is helpful to you.