Unfavourable Yogas 
Vivaha Yoga: There are several combinations coming under this yoga which signify different states regarding marriage and married life.

Unhappy Marriage
Following combinations indicate unhappy marriage.

• Depressed or undeveloped Mount of Venus
• Red mark of a star on the Mount of Venus
• A sign of an island on the marriage line
• A cross on the Fate line   

Incompatible Marriage

• The Sun line cuts the marriage line
• A line originating from the Bracelets goes up to the Mount of Venus
• Marriage and Fate lines are indistinct and the palm is narrow

Separation after Marriage

• A line from the Mount of Venus goes up to the Heart line
• A sign of an island on the Fate line

Obstacles to Marriage

• A broken marriage lines
• Vertical and horizontal lines on the Mount of Moon
• Two-star signs on the Mount of Venus

Matrumarana Yoga:  Line of Lower Mars running through the plain of Mars cuts the Moon line dividing the Mount of Moon and the Mount line into two parts.
Result:  A female having this line dies shortly after giving birth to a child

Sarpadashta Yoga:  If there is a girdle of Venus and a sign of a triangle within it, the subject has this yoga.
Result:  The subject comes to death from a snake bite

Durmarana Yoga:  This yoga is indicated when there is an undeveloped Mount of Sun and a sign of a triangle on the lower part of the Mount of Moon.
Result: A person with this yoga comes to an unnatural death.

Following formations also signify death by an unnatural circumstance.
1.There is a big triangle on the Mount of Moon with smaller triangle inside it
Result: Death by a weapon

2.There is a white mark on the Life line.
Result: Death from hanging

3.A Line originating from below the Head line cuts the Life line
Result: Death due to ingesting poison

4.There is a mark of a star above the bracelets and between the Mounts of Moon and Venus
Result: Death resulting from severe burn injuries

5.A short Life line ending with a cross mark
Result: Death resulting from an injury inflicted on the stomach with a weapon

6.There are many triangles and spots all over the palm
Result: Death resulting from a violent blow on the midriff