This is also the site of the Samtenling Nunnery, the Drikung Kagyu Institute and the Songtsen Library. He also accomplished the traditional three-year retreat, during which he studied and practiced the Five-fold Path of Mahamudra and the Six Yogas of Naropa. He was awarded the title ‘Drupon,' or retreat master based on these accomplishments. Thus, he is accomplished in the philosophy of sutra and tantra. Drupon is the retreat master of the PDL Retreat Center in Frederick Maryland.