Pranay Vakil, Chairman, Knight Frank and Pujit Aggarwal, MD, Orbit Group of Companies join NDTV Profit on Power Lunch for a discussion on Mumbai residential realty market as home sales are down 24 per cent from January to September on account of high land rates and construction costs. Pranay Vakil added that transaction volumes are down 70 per cent since 2007. They say that high interest rate is holding back first time buyers.