The shastra that tells about the lizard falling effects is known as Lizard Astrology (Gowli Panchangam). The standard Astrology text, Muhurat Martand, explains the Palli dosham or the effects of lizard falling on our body parts. The chameleon also produces same results as the lizard. Maha Mrityunjaya Mantra is the auspicious mantra to chant when you have faced the situation of lizard falling.
If a lizard falls on right side of a man and the left side of a woman is considered auspicious and gives good results. Falling lizard on left portion of a man’s body and the right portion of body parts of women is considered inauspicious and produces negative effects or bad impact.
Falling of lizard during night is not considered for any result. It is not all give any negative or positive result.