excavation at Paharpur, and the finding of seals bearing the inscription Shri-Somapure-Shri-Dharmapaladeva-Mahavihariyarya-bhiksu-sangghasya , has identified the Somapura Mahavihara as built by the second Pala king Dharmapala ( circa 781-821) of Pala Dynasty . Some clay seals from the ruins bear the inscription Shri-Somapure-Shri-Dharmapaladeva-Mahavihariyarya-bhiksu-sangghasya. [4] Tibetan sources, including Tibetan translations of Dharmakayavidhi