Kuja dosha is also called Mangala dosha. This dosha or issue is found after verification of Jataka of the Person, Native. This dosha has significance from marriage/ relation point of view. When Mars is located of the 1,2,4,7,8,12 rd house of a Kundali/jataka and the Lunar charts (Moon diagram) it is termed as "Manglik dosha, Kuja dosha as per the Vedic astrology. This dosha brings difficulties in the marriage lives. Also this dosha brings issues in partnerships circumstances. The native will also need to bear problems from the marriage that are generated by the husband. Personally with the Kuja Dosha do not have been of natural that victimize her husband.
Importance of Kuja Dosha is such, means that a person with Kuja Dosha to be attracted to a partner with his / her nature can not blend or function compatibly for any length of time with that person. The greatest problem is, a person with the a Kuja Dosha is not aware of as much physical attractiveness into another with the Kuja dosha.
In Match making best known and evil problem is Mangal Dosh. In fact, it is not Mangal Dosh but it is called sumanglik dosha is the problems of positive occurrences marriage life. That means that this problem in any favorable or good. In other words the stops in any bring good luck or excellent work is called Mangal Dosh. This dosh is known to be very big problem of the marriage.
Problems from this dosha can be minimized by use of Rudraksha. The jataka or Kundali of the native should be analysed for the proper recommendations of rudraksha.