Can I pursue any IT course after 12th?

Hello Nikhil, Yes you can, there are many IT certification courses after 12th which you can do and get a decent job. These are - Graphic Designing 3d Animation and Visual Effects Web Designing( HTML5,CSS3,JavaScript and Bootstrap) PHP Web Development ( Core PHP and Advance PHP) Android Application

You may pursue B.Sc It after 12th if you had maths in 12th standard as a compulsory subject.