My brother recently went to canada. He got study permit and work permit. He visited service canada office to get SIN number. But the office said that it cannot be issued because the surname column in your passport is blank. However, on study permit the name 'Gursharan Singh' is mentioned against surname/last name and given name is left blank because in canada last name/surname is must. So where is the problem? In the passport or study permit? and whay there is a difficulty in getting SIN number. Please reply. Its urgent