India as Known to Panini: A Study of the Cultural Material in the Ashtadhyayi c10.s3.t1.28

c10.s3.t1.28

(15), (16), (17) & (18). Schools of Haridru, Tumburu, Ulapa and Chhagalin. These were the four disciples of Kalāpī who founded independent Schools named after them as *Hāridraviṇaḥ*, *Taumburaviṇaḥ*, *Aulapinaḥ*, and *Chhāgaleyinaḥ*. The School of Chhagalin is specifically mentioned in *sūtra* IV.3.109 (*Chhagalino ḍhinuk*). Of the others little is known except that Yāska has once quoted from a text called *Hāridra-* *vika* which may have been a *Brāhmaṇa* of this *Charaṇa*. All these four names occur together in the *Mānava Gṛihyapariśishṭa*.