Hello Vikas, 

You can take admission in KIET through UPSEE counselling or management quota. For admission through UPSEE counselling, you have to follow the counselling procedure on the website of upsee.

For admission through management quota, you have to apply online through the institute website. They will shortlist the candidate on the basis of PCM merit at 10+2 level and then written test and personal interview will be held. After this candidate will be offered admission. You can go through the following link to know more about the procedure:

https://www.careers360.com/colleges/kiet-school-of-engineering-ghaziabad/btech-computer-science-course