Which of the regions of India are badly effected by erosion?

Which one of the following landforms is/are formed by wind erosion?

'Meanders' are formed through the erosion of which agent?

Which one of the following features is the result of erosion and deposition work of a river ?

‘Pingos’ are associated with which one of the following process?

Who among the following postulated the concept of geographical cycle of erosion?