hi,

there is few government recognized institute in india which is situated in delhi, gurgaon, mumbai etc.

1)NID (Nation institute of design) , delhi

2)Delhi Design Academy - Academy for Learning

3) Pearl Academy-Delhi

4)Sir JJ School of Art-Mumbai

5)CEPT institute -Ahmadabad.

hope it would help. follow careers360 website for further career related query.

HEy rajeshwari

Interior design courses depending on the kind of course ranges from a few months to years.

B.Des(Bachelors in Design) is a 4 year course

Diploma in the same takes 3-6 months

B.Sc in Interior design takes 3 years

Certificate courses are alos available which take about 3 months

But, to do any of this you need to pass you 10+2 examination

hope this helped

all the best