Sandur is an assembly constituency in the Bellary district of Karnataka. It is a reserved constituency for Scheduled Tribes (ST) candidates. The constituency is known for its rich mineral resources, particularly iron ore. The Sandur region has a significant population of Adivasis, who are primarily engaged in agriculture and mining. The Sandur constituency has been represented by the Indian National Congress (INC) and the Bharatiya Janata Party (BJP) in the past.