Haryana Urban Development Authority is set to launch a new Group Housing Scheme in Gurgaon. According to sources, in order to meet the growing demand for houses, around 1000 multi-storeyed dwelling units are expected to come up in various sectors of Gurgaon, tenders for which will be floated in two months. Under the scheme, out of over 500 plots of half-an acre each, a certain percentage will be reserved for the economically-weaker sections, central government employees and defence personnel, said HUDA officials. The scheme envisages there should be a minimum of 20 and a maximum of 90 members for a group housing society. The authority will be allotting housing sites to cooperative group housing societies registered with the Registrar, Co-operative Societies, Haryana and the Welfare Housing Organisations registered with the Registrar (Firms and Societies).