In 1990, he joined the re-established Gaden Shartse Monastery in Mundgod, India where he studied subjects on logic and debate under the guidance of H.E. Khensur Rinpoche Jampa Yeshe. While there, he received many teachings from renowned great Gelug masters such H.E. Lati Rinpoche, H.E. Khensur Rinpoche Konchok Tsering, H.E. Sharpa Choeje Rinpoche and Geshe Phuntshok Gyaltsen. For tantric teachings and major empowerments, Lama Phuntsho received them from H.H. the 14th Dalai Lama, H.E. Lati Rinpoche and H.E. Khensur Rinpoche Jampa Yeshe.

Geshe Phuntsho also actively served the monastery in many areas including the library and the construction of the main prayer hall of Phukhang Khangsten (one of the houses of Gaden Shartse).  He traveled with H.E. Khensur Rinpoche Jampa Yeshe serving as a translator to countries like Switzerland, Malaysia and Singapore. He was also sent as translator at Sakyamuni Dharma Centre in Malaysia working along with its resident teacher, Geshe Konchok Tashi, a renowned Dharma teacher from Gaden Shartse Monastery, India.

Geshe Phuntsho also worked tirelessly as a main organizer, translator, teacher, healer, administrator for the “Sacred Earth and Healing Arts of Tibet” tour starting in the year 2000 and intermittently throughout the years finishing in 2015.  He led a team of eight lamas traveling to more than 80 cities in the U.S. promoting the cultural tour. In 2017, he was appointed to be Managing Director to Gaden Shartse Thubten Dhargye Ling Center here in Long Beach, CA and has continuously served its resident teacher, staff, and students.