The sangai is an endemic and endangered subspecies of Eld's deer found only in Manipur, India. It is also the state animal of Manipur. Its common English name is Manipur brow-antlered deer or Eld's deer. Its original natural habitat is the floating marshy grasslands of the Keibul Lamjao National Park, located in the southern parts of the Loktak Lake, which is the largest freshwater lake in South Asia.

Eld's deer, also known as the thamin or brow-antlered deer, is an endangered species of deer endemic to South and Southeast Asia.