Hey Sakshi ,
Greetings!

Colleges offer both degree and diploma courses for interior designing at both UG and PG level .

How to become an Interior Designer?

Now days, the world is full of competition and constantly increasing technologies, if you want to get into a profession of your interest and want to become an expertise in it, you must have some basic knowledge and instructions. You can enroll for the interior design course after 12th.
Institutes Offering Courses in India

There are many institutes in India that offers Interior Design courses. Here is a list of few renowned institutes in India,

• National Institute of Design (NID)
• Indian Institute of Art & Design (IIAD)
• Sir JJ School of Art
• Arch Academy of Design
• Vogue Institute of Fashion Technology
• Shri Devi College of Interior Designing
• College of Architecture

You can get enrolled in any institute by following their admission process. Most institutes conduct their own exams. After clearing the exam, a comprehensive interview and portfolio assessment has to be done.

Hope this will help . Good Luck ! You can reply to this comment if you have any further queries , I will be happy to help .