Japanese Ambassador Kenji Hiramatsu on Monday met Delhi Chief Minister Arvind Kejriwal and discussed mutual cooperation on infrastructure projects like the Dedicated Elevated Bus Corridors, an official said.Both discussed common grounds between Delhi and Japan and how the two can mutually benefit each other, said the official."The main project discussed during the meeting was the Delhi government's project of Dedicated Elevated Bus Corridors in the city to ease out traffic congestion. Besides this transportation, water, sewage system, earthquake resistant buildings projects were discussed during the 30-minute meeting," a government official said.The meeting was also attended by PWD Minister Satyendar Jain and Delhi Dialogue Commission (DDC) Vice Chairman Ashish Khetan."Kejriwal told the ambassador that a delegation of the Delhi government will visit him for further discussions and to look into more areas of cooperation. DDC vice chairman Khetan said that the delegation would make a presentation on the projects of the Delhi government and outline its vision when it visits Japan," the official said.