Hyderabad: Union Panchayati Raj Minister Giriraj Singh inaugurated a PMAY-G 'model house' at the National Institute of Rural Development and Panchayati Raj (NIRDPR) here on Thursday. The model house is built with cost-saving, sustainable and eco-friendly materials. The total plinth area of the house is 342 sq ft. It has a single bedroom, toilet, and bathroom, NIRDPR said.