Hyderabad: The National Green Tribunal Bench at New Delhi on Wednesday was dismayed over the unscientific method of sand excavation on the river bed of the Godavari in Telangana state. The Principal Bench headed by Justice Adarsh Kumar Goel felt that it was indiscriminate sand mining in the name of de-silting or dredging. Mr Karanam Sravan Kumar, the Counsel for …