This landslide took place due to climatological factors. Rainwater seeped through the joints and pores which got dammed up later on causing this landslide. 

 A report on recent landslides in Thodupuzha, Udumbanchola and Devikulam taluks, Idukki district, Kerala by C. Muraleedharan, Geologist (Sr) and M. P. Muraleedharan, Director, Opn TNPK, Unit Kerala, Thiruvananthapuram (2007)

Chelachuvadu
Kanjikuzhi village
Afforestation, awareness campaign, periodic examination of existing mitigation structures.
The natural slope of the area was already disturbed. Due to heavy incessant rainfall water percolated through barren outcrops and the soil. In due course the water channel may have got blocked creating pore water pressure and reducing shear strength of t