Shakuna Shastra is also called as Shakuna Prakarana. This Shastra speaks the effects of omens. It was first written by Brihaspathi and modified by Shukracharya, Parashara and Gargacharya. These Maharishies observed many life incidents and compiled it. It contains 80,000 slokas. It deals with many topics such as studying about the results of dreams, falling of lizard on our body parts of both men and women and understanding the advantages and disadvantages of various omens.