New Delhi, July 1 (ANI): French Foreign Minister Laurent Fabius on Tuesday called on Prime Minister Narendra Modi and discussed ways to strengthen cooperation in key areas such as defense, trade and investment with India expressing keenness on setting up industrial bases for it to boost ties. The visiting minister also extended his President Francois Hollande's invitation to Modi to visit France. Terming his meeting with Modi as "warm", Fabius said he had "positive" talks with the Prime Minister on issues of urban planning, tourism and low-cost defence manufacturing.