Landslides in Nilgiris are mainly due to rainfall, but human intervention in the form of deforestation and plantation has turned this into a calamity.

In developing country like India greater attention has been focused so far only on the ground water pollution. Unlike water the study on the soil contamination has not been much attended yet. In this background, it becomes necessary to study the soil contamination in Dindigul, where the soil is mostly degraded by tannery effluents.