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Sex determination from bones is important in forensic investigations for establishing identity in cases of mutilated bodies. Many morphometric criteria have been laid down for various bones for sex determination in previous studies. The present study aimed at setting up some parameters of the mandible as indicators of sex in the Indian population. The length of body of the mandible, angle of the mandible and minimum ramus breadth were considered as chief parameters for sex determination from dried bones obtained from the Departments of Anatomy in two medical colleges of Punjab and Chandigarh. There was a statistically significant difference found in the diagonal length, horizontal length and minimum ramus breadth with their mean values 79.77 ± 4.68 mm, 71.99 ± 4.54 mm and 30.93 ± 2.56 mm in adult males, respectively and 73.83 ± 4.84 mm, 68.62 ± 4.78 mm and 29.57 ± 2.86 mm in adult females, respectively, whereas no significant difference was found in the mandibular angle of males and females. The parameters used for the present study gave an overall 60% accuracy in determining the sex of the mandible.