This polygon shapefile shows the sub-basin boundaries of the Imphal Watershed in India for 2012. This layer is part of the Watershed Map of India which includes information about drainage networks (i.e. major rivers, streams and large reservoirs.) Also includes data on catchment areas/watersheds boundaries, basins and sub-basins. These data are intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Coastal boundary aligned with imagery, no gaps in polygon, no topological errors, aggregate and % figures verified 30-50 metres ML Infomap. (2013) Imphal Watershed, India: Sub-Basin Boundaries, 2012. ML Infomap. Available at: http://purl.stanford.edu/ps487qs1725 Watershed name included. The Imphal River is a major river of Manipur state, northeastern India. It is a tributary of the Manipur River.