Area (Mha) under chemical degradation in india is

Chemical degradation of soil refers to the undesirable changes in soil chemical behavior so that the quality of soil declines due to human interventions. Soil degradation causes include agricultural, industrial and commercial pollution, loss of arable land due to urban expansion, overgrazing, unsustainable agricultural practices and long-term climatic changes.
Around 13.5 Mha of the area is under chemical degradation in India.