suggestion between masters of design or m.c.a

hello , i m doing bsc (h) in computer science from delhi university .

but i m in confusion what to opt for my post graduation

actually i have a keen interest in interior designing and want to do post graduation in i.d but i m lil confused whether to do this as my basics from computer suggests for m.c.a …

plz suggest me what should i opt either masters in design or m.c.a.

thank you.