In common with the other provinces of Pakistan, Balochistan has a parliamentary system of government. The ceremonial head of the province is the Governor, who is appointed by the President of Pakistan on the advice of the provincial Chief Minister. The chief executive of the province is the Chief Minister who is normally the leader of the largest party or alliance in the provincial assembly. The unicameral Provincial Assembly of Balochistan comprises 65 seats of which 4% are reserved for non-Muslims and 16% for women only. The judicial branch of government is carried out by the Balochistan High Court, based in Quetta, and headed by a Chief Justice. For administrative purposes, the province is subdivided into 30 districts: