The Narthang edition of the Tibetan Kanjur was initiated by Pho-lha-nas at an auspicious momement on 5 October 1730. The engraving of the xylographs was begun on the basis of the old Narthang edition which was handwritten during the years 1312-1320. This edition was supplemented by the catalogues of Tshal-pa, Bu-ston and others. The Narthang Kanjur has seven major division: Vinaya, Prajnaparamita, Ratnakuta, Avatamsaka, Sutra, Parinirvana and Tantra.