Rahu is considered to be the cause of mental disturbance in astrology. It is said that due to the fault of Rahu in the horoscope i.e. Kaal Sarp Dosh, the mind of a person can remain disturbed. Many scholars believe that even if the Moon is not in an exalted position in the horoscope, one may have to face mental disturbance. It is said that the remedies of astrology can be taken to get rid of mental disturbance.
Wear a silver chain with a moon stone plated in silver and clean it with milk on Monday.
Take a bath on Monday morning, wear clean white clothes and sit on a white colored seat and chant 11 rounds of 'Om Chandrashekharai Namah'.
Take water in a bowl. Add a few drops of milk to it and offer it to Lord Shiva with reverence.
On Monday, by offering Kheer to Lord Shiva, distribute the prasad of Kheer to the poor.
Go to Shiva temple everyday and chant 'Om Namo Bhagwate Somnathay' 108 times.
Try not to eat sour and spicy food.
Do not sleep with your feet towards the south. Try not to worship facing the south direction.
On Monday, sit in front of Shivling and chant 'Om Namah Shivaya'.
Light a mustard oil lamp under the Peepal tree on every full moon and Monday.
On Monday evening, make a statue of the moon and worship it by lighting a lamp in front of it.
Feed bread to a black dog. Try to donate white colored cloth to the poor and needy on Monday evening.
Offer milk on Shivling every morning slowly drop by drop. Also meditate on the form of Lord Shiva.
Put bel leaves in the bath water and take a bath with it. Drop a stream of water on your head while taking a bath, do this for a minute while taking a bath daily.
Tie a white thread on the wrist of the person who has a lot of mental tension. Keep camphor in his room. Also try not to have too much dark color around them. Wear white and dark colored clothes to keep mental disturbances away.