Exaltation - Debilitation
A planet is in an extremely happy condition when he is exalted and is in an extremely miserable condition when he is debilitated (It is not always true, But this fundamental principle is useful for prediction). When and upto what degrees in a sign is a planet exalted is the first lesson you learn.
Note : Except Mercury who is exalted in Kanya no other planet gets any exalted
status in its own house.
Note: All exalted planets get debilitated in the seventh house from their points of
exaltations. For instance the Sun is exalted in Mesha. Now count in this way – Mesha first, Vrisha second, Mithuna third, Karka ending with Tula which is the seventh house from Aries.
The second best condition for planets is called as the Moolatrikona. Remember it.
Sun in Simha upto 20 degrees
Moon in Vrishabha upto 27 degree
Mars in Mesha upto 12 degrees
Mercury in Kanya upto 20 degrees
Jupiter in Dhanu upto 10 degrees
Venus in Tula upto 15 degrees
Saturn in Kumbha upto 20 degrees
Note: Except the Moon all other planets get the Moolatrikona condition in one of
their own houses.
The third best condition for a planet is to be in its own house (other than
Moolatrikona house which, except in the case of the Moon is of course its own
Remember it thus:
Note : Sun, Mars, Mercury, Jupiter, Venus and Saturn recognize the same house in which they are in a moolatrikona condition, as their own houses. But their other
houses are also their own houses. The only exception is the Moon. These are three of the happiest conditions for planets in different houses