Answer: Option [C]Sukumar Barkaith composed Hasti Vidyarnava during the reign of Siva Singha. The Hastividyārnava, written by Sukumar Barkaith, is one of the best known illustrated manuscripts of Assam. Commissioned under the patronage of King Siva Singha (1714-1744 C.E.) and his queen consort Phuleshwari, it deals with the management and care of elephants in the royal stables.