Section 284L(1)(b) in The Gujarat Provincial Municipal Corporations Act, 1949
(b)with the approval of the Standing Committee, sell or lease the land or part thereof to any person for the purpose and under the condition that person will erect and maintain thereon such number of buildings suitable for the poorer classes as may be fixed by the Commissioner in accordance with plans approved by him and, when necessary, will lay out and construct public streets or roads and open spaces on the land, or will use the land for purposes which in the opinion of the Commissioner arc necessary or desirable, for, or incidental to, the development of the land in accordance with plans approved by the Commissioner including the provision, maintenance and improvement of houses and gardens, places of recreation and other works or buildings for, or for the convenience of, persons belonging to poorer classes;