Dear vitty vohra

I didn't understand what you ment by bsc level ,but still i will give a list of govt colleges providing interior design courses:

• National Institute of Design (NID), delhi
• Sai School of Interior Design, delhi
•  Sir JJ School of Art, mumbai
• Arch Academy of Design
• IILM School of Design
• Vogue Institute of Fashion Technology
• CEPT University

GOOD LUCK!