Mumbai registered 3,683 properties during Diwali 2026, the highest in four years, while revenue collections rose 13% to ₹384 crore, according to Knight Frank India. Mumbai: Mumbai's property market recorded its strongest Diwali-period performance in four years, with registrations reaching 3,683 and government revenue collections rising 13% year-on-year to ₹384 crore, according to Knight Frank India.