Digital polygon data of Glaciers of Bhutan in 1980. This dataset is created using Landsat MSS imageries of 1980. The glacier outlines was derived semi-automatically using object-based image classification (OBIC ) method separately for clean ice and debris cover and further editing and validation was done carefully by draping over the high resolution images from Google Earth.

Digital point dataset of location of Hydrological Stations of Koshi Basin. The dataset is created based on data from Department of Hydrology & Meteorology, Nepal.

Digital polygon data of Glaciers of Bhutan in 2000. This dataset is created using Landsat TM and ETM+, imageries of 2000. The glacier outlines was derived semi-automatically using object-based image classification (OBIC ) method separately for clean ice and debris cover and further editing and validation was done carefully by draping over the high resolution images from Google Earth.

Digital polygon data of Glaciers of Nepal in 1980, 1990, 2000 and 2010. This dataset is created using Landsat MSS,TM and ETM+ imageries of four respective decades. The glacier outlines were derived semi-automatically using object-based image classification (OBIC ) method separately for clean ice and debris cover and further editing and validation was done carefully by draping over the high resolution images from Google Earth. Moreover, the glacier outlines for 2000, 1990 and 1980 were derived manually modifying the glacier outlines of 2010 by overlaying separately the images of respective decades.

Digital polygon dataset of Watershed boundaries of Bhutan. This dataset is extracted using the SRTM DEM. The boundaries were refined using LandSat images of 30m resolution. The watershed boundary was further divided into sub-watershed boundaries particularly in the glaciated region.

Digital polygon dataset of District Boundary of Chittagong Hill Tracts of Bangladesh. This dataset is basic vector layer based on LGED Administrative Base Map of Bangladesh.

Topographical thematic Vector digital data of Nepal based on Land Reource Mapping Project (LRMP), Dept. of Survey, 1984

Digital point dataset of Location of Growth Centers of Rangamati of Bangladesh. This dataset is basic vector layer based on LGED Administrative Base Map of Bangladesh.

Digital line data of River Network of Sagarmatha National Park, Nepal. This dataset is created using Topographic sheet data at scale of 25,000/50,000, of 1995 acquired from National Geographic Information Infrastructure Project (NGIIP), Dept. of Survey, Nepal.