By Shabbir Mir in The Express Tribune, May 1 GILGIT: Saad Khan, a scrap collector, does not know if his rights as a labourer are protected under the law, nor was he ever told about it. He continues to be exploited at the hands of his employer. On the contrary, Hafizur Rehman, a grade-1 employee in a government-funded project, knows that the fixed minimum wage in the preceding years is around Rs7,500 per month, yet…