NUMALIGARH, Oct 14: The Dansiri river has been continuously eroding vast areas of Dhodanggaon of Numaligarh for the last few days. At least 300 bighas of land have been submerged in the river. Pashim Dhodang LP school is also on the verge of getting submerged in the river but the local MLA and MP have shown the least signs of bother on the matter.