Question: why does kuja dosha comes?
Answer: When Kuja (Mars) is posited in a horoscope in the houses 2nd, 4th, 7th, 8th or 12th from the Ascendant, it is called Kuja dosha or Mangalik . Generally, kuja dosha spoils the married life due to aggressive and irritable nature of the native. ... In the horoscope, the 2nd house represents family and happiness of the native.