1 ) Rahu , mercury , & Jupiter are the grahas related to foreign opportunity
2 ) The lagna , seventh , ninth and twelfth bhavas are related to foreign .
3 ) If the karaka grahas are interlated or related to relevant bhavas there is indication of such an opportunity .
4 ) If the planets in the relevant bhavas inter-relate with the 1st , 7th , 9th , 12th bhavas there is such an opportunity
5 ) If there are no planets in relevant bhavas the lords of the bhavas have to be taken into consideration .
6 ) If there is any kind of inter-relation ship between the four bhavas mentioned there is such an opportunity.