Interior Design Entrance Exam

Hi Janhavi, Each institute/university offering a postgraduate degree in Interior design M.Des has their own entrance exam (Design Aptitude Test). You may look at the following list to decide:
IILM University, Gurugram (that on 2nd May 2020)
NMIMS Programs After Twelfth (NPAT)
Symbiosis Entrance Test (SET)
NID
Srishti Entrance and Aptitude Test (SEAT)
To apply visit the website of the universities.

For books, you can go to the market I hope you will find it. I am giving you a link of sample papers for the preparation of entrance exam https://www.shiksha.com All Design articles All Industrial / Product Design articles.

Interior Design Courses 2018 Pattern & Syllabus
NID Exam Pattern
The medium of Exam: English
Duration of Exam: 3 hours
Number of paper: Only one question paper. Type of question paper: Objective as well as subjective questions. Total marks: 100 marks.

Around 500 plus (approximate) students appear for it every year.

Hi Bhoomi,
There is no exam for admission to B.Sc in interior design. The admission is done through merit basis. The last date for online application is 19th June.

Yes, you should, there is no harm in taking coaching before appearing for the entrance. The knowledge you will gain from the coaching will not only help you in the entrance exam but will also increase your basic knowledge and skills.