Kaal – Sarp Yog/ Dosha can be detected in birth chart when all the planets are between Rahu and Ketu. This is one of the most feared yogas as its name “Kaal” means death and “Sarp” means snake. But there are many famous personalities who have this dosha in the world but they don’t show any characteristics mentioned about this dosha like Dhirubhai Ambani, Margaret Thatcher, Rajinikanth, Sachin Tendulkar.