Hii Sunil,
Bachelor's degree is required to be an interior designer..
Here are some of the best colleges in India you can apply for interior designing..
. National institute of design, New Delhi
.Sai institute of interior design, New Delhi
. Arch institute of design, Jaipur
.One more important thing to get admission in nid (national institute of design) every year there is an exam for it to get Best government design colleges.
Good luck
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