What is disa bal of planet? kindly tell which planets have disa bal at which house?

Disha bal is one of the six balas calculated to escertain the strength of a planet.The Sun and Mars have full 60 shashtansh disha-bal when these are posited in the 10th house and they have zero bal in the 4th house.Mercury and Jupitor have full disha-bal in the 1st house/lagna and 0 bal in the 7th house.Venus and the Moon have full disha-bal in the 4th house and 0 bal in the 10th house. The Saturn has full disha bal in the 7th house and 0 bal when posited in lagna.