Prime Minister of India Dr. Manmohan Singh releasing a souvenir during the platinum jubilee celebrations of the Assam Legislative Assembly, at Dispur Parade Ground in Guwahati on Friday, April 20, 2012. Chief Minster of Assam Tarun Gogoi (right) and Governor of Assam JB Patnaik (left) also seen in the picture. Photo by Ujjal /Indian Photo Agency