Digital line data of Graticules (latitude and longitude lines) of Kathmandu Valley. This dataset is created using Topographic sheet data at scale of 25,000/50,000, of 1996 acquired from National Geographic Information Infrastructure Project (NGIIP), Dept. of Survey, Nepal.

Digital line data of Graticules (latitude and longitude) of RDT Centre of Bhutan. This dataset is prepared by ICIMOD based on ground survey 2008.