phalābhivyakti-hetavaḥ

yamadutah ucuh-the order carriers of Yamaraja said; kati-how many; santi-are there; iha-in this world; sastarah-controllers or rulers; jiva-lokasya-of this material world; vai-indeed; prabho-O master; trai-vidhyam-under the three modes of material nature; kurvatah-performing; karma-activity; phala-of the results; abhivyakti-of the manifestation; hetavah-causes.