 But the main contributions of Patañjali lies in the treatment of the principles of grammar enunciated by him.Pāṇini's work has been one of the important sources of cultural, religious, and geographical information about ancient India, with he himself being referred to as a Hindu scholar of grammar and linguistics.His work, for example, illustrates the word Vasudeva (4.3.98) as a proper noun in an honorific sense, that can equally mean a divine or an ordinary person.