Kal sarp dosha
2100
As per the Hindu mythological stories, the head of the snake is known as Rahu and the tail of snake is known as Ketu. Rahu and Ketu are placed in opposite direction at 180 degree and are never be able to meet each other. The Rahu and Ketu are shadow planets. They could not be seen through naked eyes. When all the seven planets are placed in between Rahu and Ketu it is called Kalasarpa Yoga. There are 12 different types of Kalsarpa Dosha that exists. The dosha originates by harming or killing a snake and also by hurting Lord Subramanya.