Dear Madhavacharya

You have rightly described the strength of sign.
In addition to that strength of planet, grah maitri, dasa, antardasa, transits also to be seen for proper analysis.

Regards

Day by day,omjyotish is pointing out the intricacies of the subject making analytical part of it more explicit.It elevates the level of the topic.In predictive astrology,stars occupy central position,encompassing all aspects of the life.There are many tools to assess the strength of the stars. Some of the important tools are listed as below.
1-Rotation of stars..Each planet in its orbit gathers in & gives out forces & thereby transmits a particular wavelength of energy.Each moment of time has a certain quality to it.Thus,stars derive certain strenth while rotating through zodiac which is labeled as exaltation-debilitation,own house,friendly-enemy,angular,trine etc etc.
2-Friendship & Enmity...
3-Graha avstha-They are NINE such as dwipta,pramodit,vical & soon.
4-Age of the stars...There is category depending upon age as OLD,YONG,DEAD ,etc
5-Motion of the stars.. such as fast slow,retrogression etc etc.
6-Rise & Set of stars.
7-Shadbal
8-Harmonic charts...such as hora,drekkana,navamsha and soon.
9-Aspects of the stas..

Respected Madhavacharya Ji

Correctly described the strength of planets.

In practical terms we should be able to understand the impact of planets of various strength.....good or bad.
Timing is also important to see the when and how it is going to affect our lives.

Bravo!!omjyotish!Yes,timing of events is also important.In Vdic astrology this aspect has been delt in DASHA & MAHADASHA of stars.
PARASHAR MUNY has described comprehensively :Vimshottari Dashs:or :the 120 year cycle:Let us have a bird"s eye view.
Planetary period will be favorable or unfavorable depending upon its position in Natal chart,
Favorable results will be witnessed during the period of natural beneficial planet & unfavorable effects will be there when period of natural malefic commences.
Stars occupying angles or trnes or ruler of these houses,produce favorable results during their periods.
Stars ruling other houses/occupying other houses ,produce unfavorable effects.
There are various combinations for judging favorable/unfavorable results of the planet periods but main principles are enumerated above which pl be remembered.