Hindustan Times. Mumbai's real estate market recorded 12,690 property registrations in October 2026, up 9% year-on-year (YoY), while stamp duty collections rose 13% to ₹1,173. Mumbai sees a significant rise in property registrations in October 2026, with 12,690 units recorded. This marks a 9% year-on-year increase, highlighting a robust real estate market activity ahead.