Sand mining in Kerala Wikipedia
Sand mining is a serious threat to most of the rivers in Kerala but the case is more visible in Periyar river. The indiscriminate mining has even affected the stability of Sree Sankara Bridge at Kaladay . According to D. Padmalal, head of the Environmental Sciences Division, Ntinal Center for Earth Science Studioes, this kind of mindless mining has created big problems to the rivers of the state.