Sri Lanka's new President Maithripala Sirisena has loosened ties with Beijing and moved closer to India, which has hosted the Dalai Lama since he fled Tibet in 1959.
               
But the majority Buddhist island, which is home to some of the religion's most sacred sites, still depends on China for major development investment and loans.
               
"They can invite, but the government may not grant a visa," a top foreign minister official told Reuters, asking not to be named because of the sensitivity of the subject.
               
"The Dalai Lama is very important. But the close relationship with China is more important and we have not changed our stance on 'One China' policy."
               
China approves of Sri Lanka's stance on the Dalai Lama,  Chinese Foreign Ministry spokeswoman Hua Chunying said.
               
"Sri Lanka is a traditional friendly neighbour of China's, and bilateral relations have always developed smoothly," Hua told a daily news briefing.
               
"Sri Lanka fully understands and respects China's concerns on the relevant issue."
               
As China has grown more economically powerful it has used its influence to dissuade world leaders from meeting the Dalai Lama, whom it denounces as a dangerous separatist, but only a handful of countries outright prohibit him from visiting.
               
China offered Sri Lanka more than USD 1 billion in grants during a four-day official visit to Beijing by Sirisena last week, underscoring how lucrative the relationship remains for the island that is rebuilding after a long civil war.
    
The invitation to the Dalai Lama was extended by a group of high-ranking Theravada monks from Sri Lanka's Mahabodhi Society when they attended a theological discussion in late March with Indian monks in New Delhi, senior monk Banagala Upatissa said.
               
Upatissa said the Dalai Lama told him he had wanted since childhood to visit a Sri Lankan temple housing a relic of Buddha's tooth, and Mahabodhi, which contains a descendant of the tree under which Buddhists believe he gained enlightenment.
               
"He told us that all others in the world - Christians, Hindus and Muslims - treat him well. But his own Buddhist brotherhood does not treat him well," Upatissa said.
               
"We felt saddened and disturbed and invited him to visit Sri Lanka. I hope to discuss with the government to find a solution for this. Without antagonizing China, we are trying to get him a visa as an ordinary monk and not as a state official."
               
The Dalai Lama would be happy to visit but does not want to cause any inconvenience to the Sri Lankan government, Chimme Rinzin Choekyapa, one of his senior aides, told Reuters.
               
The New Delhi meeting came shortly after Indian Prime Minister Narendra Modi visited a Buddhist site in Sri Lanka, where he was hosted by Upatissa.
               
India, birthplace of Buddhism, and China, home to the world's largest Buddhist population, both portray themselves as protectors of the religion.
               
Upatissa rejected media suggestions that the invitation was mooted by India as a move to signal a new independence from Chinese influence.
               
"We will be very happy if we can fulfil the Dalai Lama's desire," he said. "He is a Buddhist brother of ours who follows the teachings of the same Lord Buddha."

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