Vishdhar Kalsarpa is the 11th Kalsarpa Yoga in the series of Kalsarpa Yoga. Vishdhar Yoga means that Yoga which assumes poison. Generally, this word is used for poisonous snakes, but, Rahu is the only planet which assumes poison that's why it is also called poisonous planet or Vishdhar in Hindi. Rahu forms one of a very important Yoga in the birth chart with Ketu i.e Kalsarpa Yoga. When Vishdhar Kalsarpa Yoga forms then the person gets many difficulties and problems during Dasha and Mahadasha of Rahu. Vishdhar Kalsarpa Yoga creates various hurdles for a person. Therefore, let's see how it is formed and how will be its impact.This Yoga is painful for his children. He will not have good relations with his children and will get delayed to have children. Combats with siblings will happen due to this Kalsarpa Yoga. The person who has this Yoga will suffer from eye related problems, heart diseases and insomnia. This Yoga affects his memory power.