Standards facilitate the development, sharing, and use of geospatial data and services. National Spatial Data Infrastructure (NSDI) is proposed as a single window mechanism for providing access to the spatial data being generated and managed by various departments, agencies in Sri Lanka. The Sri Lanka NSDI adopts geospatial standards based on ISO/TC 211 - Geographic information/Geomatics for implementing the NSDI, in consultation and coordination with technical committee.