The government on Thursday admitted there is no plan to check increasing population in cities as the process of urbanisation is driven by demographic and economic factors.<br/><br/> In a written reply to the Rajya Sabha, the minister of state for urban development, Saugata Roy said the growth of population has put pressure on civic infrastructure such as water supply, sewerage, drainage as also on availability of housing.<br/><br/> <br/>Mr Roy said the total investment required for housing requirement would be to the tune of over three lakh sixty thousand crore rupees.<br/>