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 Session on 09 Nov 22. The Chief Hydrographer to the Govt. of India, Vice Admiral Adhir Arora, is the current President of INCA. The personnel of the Naval Hydrographic Department (NHD) working on the cutting edge of cartography have been active in the INCA since