Pillar article
Why the Seven Planets Can Bunch Between Rahu and Ketu
The cause is orbital: the nodes divide the sky. The effect is not a curse. It is whatever houses that division cuts in the lagna.

Opposition is the cause
Rahu and Ketu are always opposite, and the seven planets can bunch into one arc between them. That bunching is the cause of the pattern called Kaal Sarp. It is not caused by a family curse, a ritual, or a nakshatra sin. The nodes are the lunar orbit's crossing points with the ecliptic. When the slower and faster planets happen to lie together at birth, the chart looks one-sided. A birth a few hours earlier can have the lagna in a different sign while the planets and nodes stay almost still. The cause of the nodal pattern is the sky. The cause of which houses it hits is the lagna, which needs the birth time.
Effect follows the nodal houses
Rahu's house is lived as hunger, unusual growth, or obsession. Ketu's house is lived as detachment or a missing piece. If Rahu is in the 10th, the effect is on public work. If Rahu is in the 7th, the effect is on marriage. The other seven planets color the occupied side and do not each become malefic because they share an arc. A Jupiter exalted on that side is still exalted. People describe the effect as blockage of half of life. The empty houses are quieter, not destroyed. Planets still aspect into them. Saturn in the arc still aspects the 3rd, 7th, and 10th from itself, which may be empty houses. Aspect crosses the axis even when occupation does not.
Effect in time, not in a slogan
The pattern is felt when Rahu or Ketu runs, or when the dispositor of Rahu runs. The dispositor is the lord of Rahu's sign, and it delivers the result because Rahu rules no sign. If that lord is strong, the effect can be a strange and successful career. If that lord is debilitated, the effect scatters. Calling every effect suffering ignores the dispositor. It also ignores a planet that barely qualifies as inside the arc. Near the node, a planet can be argued either way. Calculate. Do not round a doubtful case up into a dosha. The cause is the opposition of the nodes. The effect is two houses plus one dispositor. That is a readable chart, not a haunting.
Frequently asked questions
Is Kaal Sarp caused by past deeds?
The visible cause is the positions: seven planets on one side of an opposite node pair. Karma philosophy is not required to count the planets.
Do empty houses stop working?
They are unoccupied, not cancelled. Aspects still reach them, and their lords, placed on the busy side, still rule them.
Who delivers the result?
The dispositor of Rahu, and the dashas of Rahu and Ketu. The label itself delivers nothing.
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D1, D9, D10, dashas, yogas, and transits, the same calculations referenced in this article.
