In Arvindbhai Patel Institute of Environmental Design ( A.P.I.E.D.) the master of Interior designing is a 2 years course and the eligibility for admission to the course is 3years bachelor in interior design or its equivalent with 6 months office training. You can either work under some architect to get experience or work and study through distance education. For details of A.P.I.E. click here

Thanks for such good information. but m still confused, that whether A.P.I.E at vallabh vidhyanagar reqired 3yrs of bachlour degree for masters ? n whether they allow admissions for home science students ? and even i want to know that whether it is good to work under some architect for few yrs and gain knowledge regarding this field or else i should do my masters.

You can do your masters degree in interior designing in Arvindbhai Patel Institute of Environmental Design ( A.P.I.E.D.) recognised by Sardar Patel University,Vallabh Vidyanagar,Gujarat
For details of Interior designing click here