Hello,
She has got strong Mangal dosha,as Kuja is in 12th house.
The point told by astrologer whom you consulted, is correct.
She has got other negative factors also in her horoscope.
She has to do penance for one year to remove or lessen
negativity.
If she does not want to do penance ,a person living in
the same house has to do penance.
Person doing penance should also chant a mantra of his
liking daily 20minutes.
Please read article in google-kumrao99 penance method to
clean horoscope.
kumrao99@yahoo.co.in