New Delhi, Nov.21: Tibetan spiritual leader Dalai Lama on Saturday expressed hope that Prime Minister Manmohan Singh, who left today for the United States on a State visit, would discuss Tibet issue with the U.S. President Barack Obama.

Nobel Laureate Dalai Lama, however, added that he was well aware f the limitations of New Delhi and Washington,

Prime Minister Manmohan Singh's three-day state visit, starts on November 23.

"I am quite sure whatever [will] the prime minister can do [something]; can appeal [to] something to his friend, he will do. I have no worry. Then, of course, we should be practical...so government of India and United States have also some limitations. That's also is there. That's a reality," Dalai Lama said here on the sidelines of inaugurating a hospital ward.

Dalai Lama, meanwhile also appreciated the U.S. President Obama on holding talks with his Chinese counterpart Hu Jintao and others and hoped that it could be that they discussed Tibet.

"He (Barack Obama) actually, I think, publicly and behind scenes, [I think] he really talk(ed) with Chinese leaders very seriously about Tibetan issue. So, that I must appreciate," said Dalai Lama. (ANI)