course i'd like to do after btech. i just want to know whether that helps me or not.

Of course, knowledge of computer science will be of assistance to interior designing. If you want to set up your own establishment interior designing will be of immense use, but can also be pursued as a part time job.

If you're creative, you can also consider going for Design and Animation. However, you must first check if you're suited for Animation. Animation is an art form and a very demanding career. It has ample opportunities for the creatively talented people. Typically you should have good sketching skill

Interior designing is different course and you can not compare it with computer line , you have to go for MTECH in your current area this will help you