What is the Kalsarpa yoga
When all the planets are hemmed between Rahu and Ketu i.e., the moon's north node and the moon's south node Kalsarpa Yoga is formed. Complete kalsarpa yoga is formed only when half of the chart is unoccupied by planets. Even if one planet is outside the Rahu Ketu Axis there is no Kalsarpa Yoga.
Do not confuse Kalsarpa yoga with Nag/Naga Dosha or Karaka Dosha
Is your horoscope afflicted with KalSarpa Dosha?