The next summit of the Quadrilateral Security Dialogue (Quad) has been proposed to be held in India later next year, sources told INDIA TV on Tuesday. The Quad comprises the United States, India, Japan and Australia.The next summit of the Quadrilateral Security Dialogue (Quad) has been proposed to be held in India later next year, sources told INDIA TV on Tuesday. The Quad comprises the United States, India, Japan and Australia.