By Ayushi AgarwalNew Delhi [India], March 4 (ANI): Calling Prime Minister Narendra Modi and Japan's former prime minister Shinzo Abe "father" of the Quadrilateral Security Dialogue, Australia's ex-PM Tony Abbott, on Saturday, said that the Quad is almost a unique product and the "world should be immensely grateful to both of them."While talking to ANI, Abbott said that Quad is the most important strategic development in t
