If there is any type of interruption in the marriage due to any black magic or the proposal which has come is not of choice or the relation which is fixed gets break up so in such a situation mother of either girl of boy should keep the Taveez with her for 3 months and read everyday for 11 times. Within 3 months Inshallah you will get the proposal of your own choice. After the marriage is fixed the same Taveez should be mixed in the milk and give the boy and the girl to drink. Inshallah their marriage life will go smoothly and with love.