Tokyo can show Delhi how to prevent floods

Tokyo had commissioned the G-Cans project or Metropolitan Area Outer Underground Discharge Channel which consists of five huge silos, 6.5 km connecting tunnels, storage tanks and pumps. It has saved the Japanese government about $1.4 billion in disaster relief and rehabilitation, says Dr Sonia Grover, Fellow, Water Resources Division, TERI and Mr Bharat Ramachandran, Student, TERI School of Advanced Studies.