Wikipedia
Vatalia or Vataliya Prajapati are an endogamous Hindu group and a sub-caste of Prajapati or Kumbhar caste found only in Gujarat and are among the Socially and Educationally Backward Classes of Gujarat, India.
Vatalia or "Polluted" are said to be off-springs of Brahmin father by a Kumbhar wife and as such are polluted Brahmins, who are now considered a part of Kumbhar community, as they took up job of potter. Their kuladevata are said to be Lord Hanuman.
Vatalia along with other Prajapati sub-divisions like Sorathia, Gujjar, Varia, Parjiya are included in backward class communities of Gujarat.
Among their associations with other Kumbhar castes - they eat together with Varia, Gujjar and Koria Kumbhars but do not inter-marry. However, they would not eat or intermarry with Maru and Khambhati Kumbhars of Saurashtra.
Their population is mostly found in Saurashtra in cities of Ahmedabad, Surat, Bhavnagar, Vadodara and Amroli, Savarkundla, Rajula, Talaja, Khambha, Katargaon regions. Outside Gujarat, there is notable population of community in Mumbai.
In Talaja, they are known as Tarahariya after the Tarahara village founded by Vatalia community, where the community members from other area still comes to pay homage to their Kulladevata temple of Hanuman.
The community was subject of medical study with respect to G6PD deficiency and medical research in 2005, which concluded that Vataliya Prajapatis have high incidence of G6PD deficiency without severe chronic hemolytic anemia
The community publishes their own community periodical since 1958, which is circulated amongst the All India Vataliya Prjapati Community Association.