The primary exercise is to put in place a system to track persons with established or suspected extremist links, who had migrated to the Gulf after the ban on Islamist outfit SIMI and the intensification of hunt for militants in the wake of the Bangalore bombings. But this is not an easy task, admit experts. The Intelligence wing came to the conclusion that the Gulf region had to be in special focus after it was revealed by the Central agencies that the one Keralite, a young ex-journalist from Palakkad, who was confirmed to have enrolled with the ISIS, had joined the terror army when he was in the Gulf, most probably Saudi Arabia.