Megapolis and Western Development Minister Patali Champika Ranawaka yesterday said the future investment and infrastructure projects should conform to the regulations and guidelines of the National Physical Planning Policy and Plan – 2050 which has been completed by a team of local experts.The 2050 Plan compiled by the National Physical Planning Council (NPPA) which has been approved through a gazette, aims to promote and regulate the integrated planning of economic, social, physical and environmental aspects of land and territorial waters of Sri Lanka.