Dangerous goods/hazardous cargo, means substance, material, articles which are covered by IMDG Codes (International Maritime dangerous goods).Adopted by International maritime safety commitee. These goods are supposed to be hazardous because of its corrossive, poisonous, flamable & explosive nature which may cause harm to lives, nature & Property. Not allowed for normal transport. DGR goods are tobe carried only as Per norms given by IMDG, specific container packing/labelling & transport condition. Classification and list of DGR good is available on IMDG web site. Also governed and controlled by Indian Postal Act & IATA (International AirTraffic Association).