We find references to the existence of many Agastya-āśramas (Agastya-ashrama) or hermitages established by Agastya in Rāmāyaṇa (Ramayana), Mahābhārata (Mahabharata) and Purāṇas. It is true that the Aryan civilisation in ancient India mostly emerged from and flourished around the vast region of land surrounding the Sarasvatī (Saraswati) and Dṛiṣadvatī (Drishadwati) rivers. Since Agastya was one of the major heralds responsible for the expansion of the Aryan civilisation, it may be assumed that he hailed from the centre of Aryan civilisation that was situated near the rivers Sarasvatī and Dṛiṣadvatī and near to Kurukṣetra (Kurukshetra). It is noteworthy in this context that holy sites called Agastya-āśrama can be found in many places, from Rudraprayaga in northern India to the entire eastern and western regions, and even in southern India. However, even though every Agastya-āśrama is a consecrated spot named after the sage, it may be so that Agastya had not personally stayed at each of them. But it must be acknowledged that he wielded influence over all these places. It appears that an Agastya-āśrama was established in every region Agastya had travelled to and stayed at with the purpose of Aryanisation.
- According to Purāṇas, meditating on one’s ancestors by offering prayers and observing rigorous self-discipline such as fasting and the like would fetch the same results as those obtained by performing the Agniṣṭoma yajña (yajna) alluded to in the Vedas.
- The possibility of sage Agastya being a resident of the region adjacent to the Sarasvatī and Dṛiṣadvatī rivers has already been mentioned. Following this conjecture, the path taken by Agastya may be traced out (the path along which the Agastya-āśramas can be found) depending on which the Agastya-āśramas have been established. But the findings raise scholarly debates.