hi i'm from india........my whole family has stayed as pr of canada ..... but now our pr ship has expired 3 months ago ...... my father was the principal applicant ......... due to my studies in india we were unable to fulfill pr time requirements ......... i'm still doing my veterinary bachelors degree, i'm in 2nd year ....... 4 more years left ........ my dad is also veterinarian ...... i want to immigrate to canada but after 4 years after my degree is over ...... when should we apply ?..... will it be safe to apply now and hope that application would be approved in about 4-5 years ?........... how much time will it take to be approved in our case as we have stayed pr previously ?...........and also veterinary is not in the list .... what procedure to be followed then ?