Mangal Dosha or Kuja Dosha is caused by the planet Mars. It occurs when Mars positioned in the 1, 4, 7, 8, or 12th house of the Birth Chart.
The most dreadful kundali Doshas that is feared by everyone. This occurs when all the seven planets are placed between Rahu and Ketu.
This Dosha occurs Saturn or Rahu is present in the single zodiac sign of the kundali. It may cause pain and agony in life.
Nadi Dosha occurs when an individual marries with the same Nadi person. People having Nadi Doshas may have unhealthy children.