Ranbir Singh, CIE (August 1830 – 12 September 1885) was the son of Maharaja Gulab Singh, Maharaja of Jammu and Kashmir and head of the Jamwal Rajput clan.The trans-Himalayan territories of Gilgit, Astore, Hunza-Nagar were conquered and made part of Jammu and Kashmir in his time. He was noted as a great scholar of classical Persian, and was also learned in Swedish and English. Maharaja Ranbir Singh established a Translation Bureau called Daarul Tarjumah under the patronage of a learned Hakim of Turkish Afghan ancestry, Agha (Hakim) Muhammad Baqir who also happened to be the Chief Physician to the Maharaja. It was under this bureau that Maharaja Ranbir Singh got Tibb-e-Unaani translated from Arabic and Latin into Persian and Dogri.
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