BEIJING has boosted the role of the Chinese People's Political Consultative Conference (CPPCC) as a way to canvass the views of different sectors of society while ensuring the Communist Party's monopoly on power. Moreover, the powers of the National People's Congress (NPC) over legislation and in ''supervising'' the Government have also increased. The Chinese media has played up the importance of the forthcoming visit by CPPCC Chairman Li Ruihuan to Nepal, India and Pakistan. Xinhua (the New China News Agency) yesterday indicated it was the first time since the founding of the People's Republic that the chairman of the consultative organ had made an official trip overseas. ''The visit is the most important diplomatic event in the CPPCC's history,'' Xinhua quoted CPPCC Deputy Secretary-General Zhu Zuolin as saying. ''It is also a significant event in China's foreign affairs this year.'' The Chinese propaganda machinery also made much of the fact that Mr Li's entourage included a leading liberal intellectual, Professor Ding Shisun, who is Vice-Chairman of the China Democratic League, one of the country's eight ''democratic parties''. A former president of Beijing University, Professor Ding was attacked by Maoist ideologues for fomenting the kind of liberal atmosphere that led to the 1989 pro-democracy movement. Mr Zhu indicated the fact that the entourage of Mr Li, who is a member of the Politburo Standing Committee, included members of the eight democratic parties reflected ''the CPPCC's status as an important organ of multi-party co-operation and political consultation''. The official added the CPPCC included representatives from all of China's political parties, as well as those from ''34 fields including those of politics, the economy, culture and education''. At the same time, Chinese sources said the role of the NPC in law enactment and in ''supervising'' the Government had increased to some extent. They said under the leadership of NPC Chairman Qiao Shi, who is also on the Politburo Standing Committee, the legislature had taken the initiative in the drafting of laws. ''Until recently, almost all Chinese laws were drafted by the Government and then handed over to the NPC for enactment,'' a source said. ''Mr Qiao's team has made some efforts towards building up the NPC's own law-drafting capacity.'' The source added that, in the course of the drafting of a bill on stocks and shares, there had been conflicts between the NPC and the State Council. Since Mr Qiao took over the NPC in March, legislators from both the central and local levels have also boosted the frequency and depth of their ''inspection trips'' to various government units. Analysts in Beijing said, however, while new powers given to the NPC and CPPCC might afford the people more channels to let off steam, this development would not threaten the Communist Party's monopoly on power.