Lacking of proper landuse planning, development process has hampered severely. Unfortunately unplanned landuse is now a general practice in Bangladesh. Unauthorized and illegal occupation and destruction of natural drainage system and retention basins, inadequate storm water drainage facilities, disposal of solid waste, waste water and septic waste into the natural drainage system, damage to roads, environmental degradation, damage to dwelling houses and so on. Main goal of this research is to identify landuse change due to unplanned development. So, Landuse change has identified by spatial analysis (GIS applications) of two period maps (2001 and 2013) which was prepared for DAP(Detailed Area PLan) The responsible factors for unplanned landuse have been identified by Likert scale method and sample has collected by randomly from various stakeholder groups. The consequences and gap between traditional practice, landuse policies and regulations regarding planned urban development and their impact have also been exposed through this research critically.