The correct answer is D. Excessive sand mining from riverbeds in Telangana can lead to all of the above.
Bank erosion is the process of soil being washed away from the banks of a river or stream. This can be caused by a number of factors, including excessive sand mining. When sand is removed from the riverbed, it leaves behind a void. This void can then be filled with water, which can cause the riverbank to collapse.
Loss of aquatic biodiversity is the decline in the number and variety of plants and animals that live in a river or stream. This can be caused by a number of factors, including excessive sand mining. When sand is removed from the riverbed, it can disrupt the habitat of aquatic plants and animals. This can make it difficult for them to survive and reproduce.
Impact on bridges and infrastructure is the damage caused to bridges and other infrastructure by excessive sand mining. This can be caused by a number of factors, including the collapse of riverbanks. When riverbanks collapse, they can damage bridges and other infrastructure that are located near the river.
Excessive sand mining is a serious problem that can have a number of negative consequences. It is important to be aware of the potential impacts of sand mining and to take steps to mitigate these impacts.