BHsc MLS Interns not recieving any remuneration

ALL BHSC medical laboratory scientist 4th year students have been working at the NHLS for the past 6 months, doing their internship, but the are not recieving any remuneration whatsoever. Whilst there national diploma student intern counterparts are recieving fair remuneration.This is *********, unconstitutional, boarderline total abuse. These students have taken there issues to NHLS higher authorities with out any response.They are in a catch 22 situation, becuase if they do not finish their internship they cannot qualify. PLEASE HELP THE BHSC MLS 4TH