Tilak Nagar police in Mumbai have booked four siblings for allegedly cheating a Chembur resident of ₹57.75 lakh in a flat sale deal. The complainant had paid ₹87.75 lakh for a ₹1.69 crore flat, but the accused allegedly failed to register the property or hand over possession. They refunded ₹30 lakh before defaulting on the remaining amount.