Highly jointed  rock is exposed in the slide course, widening of stream channel after the event, unstable boulders are present along the nala course
Mulavalur slide
Mulavalur
Unstable boulders at source as well as along the slide course needs to be removed, catch fences may be installed at downslope to arrest the rolled boulders during such events in future and protect the settlements at downslope
Due to heavy rainfall for prolonged period, there was increase in pore water pressure and decrease in shear strength of the overburden material, resulting in sliding and debris flow along the first seasonal streams/nalas.