How to find out the strength of the planet and bhava?

Kp golden rule

Planet is source , constellation lord shows the result and sub lord shows the results good or bad.

Suppose seventh cusp rising virgo sign and venus constellation and mars sub.

7th cusp say mer/venus/mars.

Forget sign and star. Take sub lord of the 7th cusp. which is the source for 7th cusp.

next step look at the constellation of mars in planetary position and also find out which sub mars is posited.

Let us see in the next lesson with chart examples.