The cards collect electronic data on the card-holders that can be used to monitor and punish behavior, Tibetan advocacy groups say.
Authorities offer large amounts for information leading to the arrest of Tibetans deemed disloyal to Beijing.
Tashi Wangchuk has now spent three years behind bars in what prison authorities are calling a 'sensitive' case.
Assaults by police followed searches of government-subsidized housing for nomads earlier forced off their land.
Yonten Rabgye serves just over four years of a six-year term, and is taken by police back to his home in Golog after his release.
The destruction follows the forced removal of over 7,000 monks and nuns who had gone to the remote center from other areas of Tibet.
If passed into law, the bill would block entry to the UK for Chinese officials found to be restricting British citizens' travel to Tibet.
The removals continue a wave of expulsions ordered by China to reduce the size and influence of the meditation and study center.
Chinese officials have warned India that failing to support Beijing’s controversial choice would hurt ties.
Travel to and from the center from which thousands have been removed is now limited to those who still live there.
Their tears are seen as signs of disloyalty to China after their forced removal from the Yachen Gar Tibetan Buddhist center.
Penpa Tsering, who shares a name with a former speaker of Tibet's exile parliament, is detained for six hours and then sent home.
They are forced to dress as laypeople and memorize propaganda in detention centers, sources say.
News of Ngawang Gyaltsen's release was delayed for several months due to China's communications clampdowns in Tibet.
Concert in Chengdu for Karmapa’s birthday goes off without a hitch, as monasteries in Tibet also hold celebrations.
A Washington-based rights group urges President Trump and his secretary of state to push China for talks with the Dalai Lama on the status of Tibet.
Those being removed had come from areas in the Tibet Autonomous Region far from Sichuan, a local source says.
Monks and nuns who came from other areas to join the center are being sent home, with no provision made for them to find housing or continue their studies.