Badi Mata/Chamariya Mata[1][2][3] is a Hindu goddess of disease, one of a group of seven sister goddesses with similar associations.
Chamariya Mata/Badi Mata is doubtless allied to Chamars.
[3][2][1] Badi Mata is worshipped by some tribes in India, such as the Saharia, Chamar and the Kamar.
[4][5] Her worshippers believe that her wrath causes people to suffer from smallpox.
[5] The worshippers sacrifice goats to appease her.