Hey Shakshi, 
Your decision is good about BSc fashion design..! BSc fashion designing is a bachelor degree if u want then u can do MSc in this feilds....!! That depend your decision, fashion designing success depend on your work experience and your art, as you know ! Here is some colleges you can visit them ...
NIFT
AAFT
Best of luck ..!!

Hello Ma'am. The BSc. in fashion designing makes you understand, format and deliver from a concept to a consumer. The subjects in fashion designing helps you to achieve the technical skills to analyse and execute a design. The BSc. fashion technology helps you develop professional practice in time with the Industry. 

Top Institutes offering this course are:

MATS University, Raipur

National Institute of Fashion Technology (NIFT)

Lovely Professional University, [LPU]

Ansal University

Symbiosis International University