Canberra, Nov 18 (ANI): Prime Minister Narendra Modi on Tuesday gave a unique gift to his Australian counterpart Tony Abbott, which has several documents dedicated in the memory of John Lang, besides it contained a commemorative photo collage showing Lang's remarkable Indian connection. The collage contains significant photographs of Lang which shows photo of his 'Marriage Certificate' with Margaret Wetter, Christ Church of Mussoorie, in India, on May 11, 1861, Lang's final resting place at Camel's Back Road Cemetery in Mussoorie, besides a picture of a 'Commemorative Plaque' in memory of a remarkable Australian's extraordinary Indian journey.