Hi there

In order to study IT(Information technology) through Bachelor's of Technology degree the best option would be to appear for JEE-examination and crack a esteemed institution which would provide you quality mentoring and education for your respective selected field of study. To apply for the same you can go on the official website of NTA and check out the dates of application form release and respective procedure which is mentioned in detail in the uploaded brochure.

Hope this answer helps; best wishes