Drang srong Chu klung. A Sāṃkhya teacher later than Kapila, he composed the Dbang phyug nag po'i rgyud sum cu pa & Drug cu pa, etc. Stag tshang, Grub mtha' kun shes, p. 45.
According to Mimaki, Dbus-pa text, folio 6v.1, the main texts of the Gzhung can school are: Dbang phyug nag po'i rgyud, Rgyud drug cu pa, and Gser bdun cu pa, etc.
