Apply a Tilak of Sandalwood paste, Kesar or Turmeric powder, on the forehead, after having a bath in the morning.
Offer water to the root of a Peepal [ sacred fig] tree, with your palms.
Keep yellow colored flowers in a flowerpot in your home or plant them if you have a garden.
If possible, keep a fast on Thursdays.
Avoid excess in food and alcohol on Thursdays and avoid strong and abusive language.
Other than these simple remedies, one can chant the Guru Dosha Nivaran Mantra or Keep a Guru Yantra on your person.
More than one of these Totkas can be practiced by you, if your astrologer has told you that you are having a Guru Dosha in your horoscope. There is no need for expensive items or religious remedies, like Puja- Havan, the simple Totkas can solve your problems.