There are four seats reserved for the minorities from each province, because at the Senate we have equal representation from all the provinces. There's one seat reserved for the faith-based minorities from each province. Besides that, we have 10 seats reserved for the minorities at the National Assembly of Pakistan, but in addition to those 10 reserved seats, a minority can contest any general seat from any constituency of Pakistan.
On April 2nd, 2019. See this statement in context.