Mangal dosha is one of the major deciding factor in Hindu marriages. A manglik marrying a non-manglik is considered disastrous which can even lead to death of one's partner.
What is Mangal dosha or Kuja Dosh?
Mangal dosha or kuja dosha or chovva dosham is the combination in the birth chart or horoscope where Mars (also known as Mangal or Kuja) is placed in the 2nd, 4th, 7th, 8th or 12th house in the Ascendant. A person with mangal dosh in his natal chart is called Manglik. Mars is considered malefic when it is positioned in any of the mentioned houses and it leads to tensions, dissatisfactions and disasters in married life.