A debris flow took place on 15th of August 2019 near Payyanam, during heavy rainfall.  The geo-scientific cause of the slide can be attributed due to heavy discharge of water along a seasonal first order stream during heavy rainfall and widening of the n
Unstable debris material present at the slide course
Payyanam slide3
Payyanam
Removal of unstable debris material along the slide course, Construction of culvert of suitable dimension at road-nala junction
Heavy discharge of water along a seasonal first order stream due to heavy rainfall and widening of the natural stream course