On 15th August 2018 a debris flow occurred along a modified first order stream near Puttankadu village. The geoscientific cause for the slide is  reduction in shear strength due to increased pore water pressure of slope material, heavy flow of surface wa
Unstable debris material present at source of the slide
Puttankadu debris flow2
Puttankadu village
Removal of unstable debris material from the flow path as well as  slide source, provision of cross drain/interceptor drain along the slope.
reduction in shear strength due to increased pore water pressure of slope material, heavy flow of surface water along a seasonal first order stream and widening of the channel