Exchange of houses lord in birth chart

 The subject regarding exchange of houses lord , even 

enemy star makes a mutual relation like treaty by kings that 

they would mutually protect their houses , as ruler of hiuse always thinks about their own house and they never afraid  of the due ti a commitment to make and hold houses in good condition  due to exchange of houses  , here enemy becomes friend logically further the relevant and most unique feature useful in predictive astrology is to analyse  a planet  who has command upon birth chart equal to atmakarak planet ,

Which planet is to be treated as commanding in nature , this is a planet that controls upon all houses  through aspect , constellation Lord , meant thereby a planet which has character of  relations to other stars through aspect or constellation very close of whole houses of birth chart equal to, dominance over birth chart , that star is called a key of birth chart and it is very important to activate it 

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