 George Cardona (1997) in his survey and review of Pāṇini-related studies, states that the available evidence strongly supports a dating no later than between 400 to 350 BCE, while earlier dating depends on interpretations and is not probative.According to Bod, Pāṇini's grammar defines Classical Sanskrit, so Pāṇini is chronologically placed in the later part of the Vedic period.According to A.