BEIJING, March 27 (Xinhua) -- China's State Council Information Office on Wednesday issued a white paper on democratic reform and the leap of development in Tibet over the past six decades.

　　The democratic reform in Tibet is the greatest and most profound social transformation in the history of Tibet, said the white paper titled "Democratic Reform in Tibet -- Sixty Years On."

　　"By abolishing serfdom, a grim and backward feudal system, Tibet was able to establish a new social system that liberated the people and made them the masters of the nation and society, thus ensuring their rights in all matters," the document said. Enditem