get a snap of about 1 meter away from your face with white background, do not put too much flash, make sure that your crown to chin distance is within the specified length. print 4 copies, then you can cut by yourself using a scale and a blade. Cut excess parts 17mm to the right and 17mm to the left from the central nose. Leave a little space above the crown and cut the bottom part exceeding 45mm. done.

before you apply, make sure that you are eligible to apply for PR to Canada according to new rule, only 38 categories of professons, mainly geo and medical-nursing areas are eligible now unless you have studied in Canada for at least one year or you are working in Canada on valid work permit.

good luck!