Though ordered by doctors to rest, his health is 'in general, very good,' he says.
Monks from as many 27 monasteries in Tibetan regions of China are attending the seven-day event, which is being held under tight security.
They had moved back to the area after local officials failed to resolve the dispute.
Authorities make no move to ban or restrict the event, which is attended by Tibetans, Mongolians, and Han Chinese.
She stages her protest despite increased security following a week of similar acts.
Their public calls for Tibetan freedom follow two similar protests in Ngaba earlier in the week.
The flag is banned by Chinese authorities as a symbol of Tibetan freedom from Beijing's rule.
His protest comes a day after another young monk was taken away by authorities for protesting in the same area.
His protest comes two weeks after a Tibetan woman is detained for protesting in the same area.
Authorities had warned residents to refrain from discussing his death.