Solution:In Sanskrit poetics, Pancha-Lakshana refers to the five characteristics of a Purana: Sarga (creation), Pratisarga (secondary creation), Vamsa (genealogies), Manvantara (cosmic cycles) and Vamsanucharita (dynastic history). Among the options, Sarga belongs to Purana-Lakshana, whereas Sandhi, Pratyaya, and Sutra belong to grammar.