Well, “denied the right to run” might be one way of putting it. It's a bit complicated, so I don't want to give a hard number. Yes, there were several dozen Muslim candidates who wanted to run on the NLD ticket and ended up not being able to do that. Some of that was because of government action or inaction—you know, denying that they were citizens—but some of it was the NLD and a party deciding not to accept them.
On May 4th, 2016. See this statement in context.