Sri Lanka Navy marks World Hydrography Day 8:37:00 AM IFTTT, News In parallel with the 101st World Hydrography Day that falls on 21st June, Sri Lanka Navy marked the annual celebration at the auditorium of National Aquatic Resources Research and Development Agency (NARA) (21st June 2022). Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsLandslide warning for four districtsSri Lanka participates in the World Environment Day in New YorkSLC National Selection Committee appointedGully bowsers distributed with WB assistanceLast respects to veteran journalistEU recognizes Sri Lanka's progress in protecting and enhancing human rights