National flags and lanterns are seen on the Potala Palace Square in Lhasa, capital of Southwest China's Tibet autonomous region, Sept 5, 2015.[Photo/Xinhua] 

LHASA, Sept. 8 -- Top Chinese political advisor Yu Zhengsheng called for strict adherence to the law in managing religious affairs in Tibet, in a speech marking the 50th anniversary of the founding of the autonomous region on Tuesday.

"Law-based governance is fundamental to the long-term stability of Tibet," said Yu, chairman of the National Committee of the Chinese People's Political Consultative Conference. He called for improvements to be made to local laws in light of local conditions and for more publicity to raise awareness of the law.

Yu said policing of separatism must also be done legally.

Freedom of religious belief has been fully respected and protected in Tibet over the past 50 years, according to the political advisor.

Law-based governance in Tibet was also highlighted in a speech by President Xi Jinping last month.

Yu arrived in Lhasa, capital of Tibet Autonomous Region, on Sunday, leading a central government delegation to attend festivities marking the anniversary.