Bhatta Kallata also referred as Kallata was a notable 9th-century Kashmiri Shaivite thinker who may have written the Spanda-vritti, and Spanda-karika.
[1][2] He was a pupil of Vasugupta, another possible author of the Spanda-karika.
According to Rajatarangini (The River of Kings) written in 12th-century CE by Kalhana, he lived during the reign of Avanti Varman (855-883 CE).
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