All planets other than outer planets are gathered in between Rahu and Ketu planets. In this situation, the planets form Kaal Sarp Yog in that particular Rashi...
Tag - REMEDY FOR KALA SARPA DOSHA POOJA
If a person has killed or caused the death of an innocent animal or a snake during his/her lifetime, then they will have the Naga Dosha or Naga Dosham or Sarpa...