Sadarang (1670–1748) was the pen name of the Hindustani musical composer and artist Niyamat Khan. Sadarang was active in the eighteenth century. He and his nephew Adarang changed the Khayal style of Hindustani music into the form performed today. He served in the court of Mughal Emperor Muhammad Shah (ruled 1719-1748). Sadarang and Adarang remain influential in Hindustani classical music, mainly through their compositions. Niyamat khan belongs to the family of tansen's daughter. He is said to be the tenth person in the family. His father's name was Lal Khan Sani.