geological warning experiment survey himalayas detect landslides nilgiri started early models
landslides road landslide pithoragarh hills system district construction explosives darjeeling sikkim warning deployed early based country community first key use
landslide india border landslides reuters darjeeling told ten things roadtrip ladakh buried arunachal pradesh worrying infrastructure deficit dead nepal nilgiris
landslide warning early system satellites used village 20km occurred almost third away same town time
warning landslides centric darjeeling himalayas
landslides detection iit developed varun imminent mandi
landslide geophysical warning geology
india landslide map susceptibility mapping geological survey sikkim complete sensor warning ahead aviation gets based being system gsi