Hindu astrology says that Mangal Dosh occurs when Mars comes in the 1st, 2nd, 4th, 7th , 8th or 12th house in the ascendant chart. People who are born in this condition are manglik. Mangal Dosh is also known as Mangalik or Kuja Dosh. Mangal dosh is not auspicious for the natives.
The 1st house is of Lagna. The 2nd house is Kutumbh. The 4th house is for comfort. The 7th house is of marriage. The 8th house is of age. The 12th house is the ascendant. This dosha is of two types: anshik and ekadhik meaning minor and major effects