Osian (also spelt Osiyan) is an ancient town located in the Jodhpur District of Rajasthan state in western India.

Osian is famous as home to the cluster of ruined Hindu and Jain temples dating from the 457 BCE to 12th century AD.

The city was a major religious centre of the kingdom of Marwar during the Gurjara Pratihara dynasty.

It maintained this status, while also being a major center of Hinduism and Jainism for hundreds of year.

[8] It is believed from several pieces of evidence that the people of Osian become Jain by Acharya Ratnaprabhasuri, who had impressed the populace of the region with his supernatural powers.

[15] According to Jain legends, Acharya Ratnaprabhasuri in (c. 457 BCE) restored the life of son of a prominent brahman following this even the villagers converted to Jainism and this place for origination of Oswal community.

[16][17] Witnessing the power of Ratnaprabhasuri Goddess Chamunda was compelled to become a Jain vegetarian deity[16][18] and became the protector deity of the temple, protecting devotees who worship image of Mahavira in the temple.

one who has Ratnatraya) goddess and as protector of the land, of their clan of Oswals and of the Mahavira Jain temple, Osian.

The Shingavi, Baid, Bafna, Lunawat, Tated, Parekh, Karnavat and many other clans of Jain community conduct their 'Mundan-Sanskar' in Sachiya Mata Temple.