 In April 1908, for instance, he was entrusted to sign the Trade Regulations in Calcutta on behalf of the Tibetan Government.Namgang played an important role in the pre-Xinhai Revolution defense against the Qing's expedition to Tibet.When in March 1910, the 13th Dalai Lama fled into exile to British India, Namgang remained behind at Chaksam Ferry with an army of Tibetan soldiers, and resisted the Qing troops who were attempting to thwart the passage of the Dalai Lama to India.