Fashion designer Vratika Gupta, the founder of luxury home decor company Maison SIA has bought a penthouse in Mumbai's 'Three Sixty West' skyscraper for over ₹ 116.42 crore. Fashion designer Vratika Gupta According to IndexTap.com, a real estate data analytics firm, it is the first residential deal to have surpassed the ₹100 crore mark this year. She started her fashion …