Prime Minister Narendra Modi will inaugurate on October 31 the world's tallest statue, that of Sardar Vallabbhai Patel, known as the "Iron Man of India" in Gujarat. It aims to promote tourism through its unique features which include - viewing gallery at a height of 153 metres that offers an expansive view of the Sardar Sarovar Dam, the Satpura and Vindhya mountain ranges and other sites.