42 INTERNATIONAL CONGRESS OF THE INDIAN NATIONAL CARTOGRAPHIC ASSOCIATION (INCA) The 42 International Congress of the Indian National Cartographic Association (INCA) is being organised by the National Hydrographic Office (NHO), Dehradun from 09 to 11 Nov 22. The Governor of Uttarakhand His Excellency Lt Gen Gurmit Singh, (Retd.) was the Chief Guest for the Inaugural […]