"The scientific concept of development is a guiding principle that must be adhered to for a long period in order to promote our country's reform, opening-up and socialist modernization drive," said Hu, also general secretary of the ruling Communist Party of China Central Committee, while joining in a group discussion of lawmakers from Southwest China's Tibet Autonomous Region.

The lawmakers are in Beijing for the Fourth Session of the Tenth National People's Congress (NPC), the national legislature, which opened on Sunday morning.

"We shall make all-out efforts to do every thing that conforms to the scientific concept of development, and never hesitate to abandon anything that goes against the concept," stressed Hu.

While exchanging ideas with the Tibetan lawmakers, Hu, who once served as Party chief in Tibet, pointed out that development is the key to the solution of all problems the autonomous region is faced with.

"The state will continue to implement the strategy of developing the western regions and will increase its support for Tibet in the coming five years. I hope all officials and people in Tibet can seize this rare opportunity and strive hard for the long-term prosperity and stability in the region," Hu added.

The president also voiced his "complete advocacy" of the central government work report delivered by Premier Wen Jiabao at the just-opened NPC session.