My husband lives in Canada ,he has a nationality.but unfortunately he can not sponsor us because he has already sponsored his first wife and she is taking welfare there.I tried two times for visa from Pakistan,first time in 2007 on visit visa and 2nd time in 2009 on study visa but both times got refused.I have a two years son and again i am expecting..I want to join my husband in Canada please suggest me how should I apply.Please help me