It wasnt an immigration advisory board, it was the decision of a Court, and federal courts reflect official policies, in which case a Court operating under the Government of Canada deemed MQM a terrorist party.
Too bad the MQM cant threaten or ask for bhatta from Canadian courts 
They prolly feel helpless because in Karachi they’d kill the judge by now and abduct his whole khandaan.
Indian source? Well heres a very credible source, read this:
http://www.unhcr.org/refworld/category,COI,USCIS,,,414fe5aa4,0.html