Background of the study: In India, adolescents account for more than one-fifth of the population. Many of them drop out of school, marry young, work in dangerous jobs, are sexually active, and are subjected to peer pressure. These variables have significant economic and public health ramifications. More over half of the adolescent girls were between the ages of 15 and 16. The majority of them (50.82%) were from the lower socioeconomic level, 78% were Hindus, 5.31% were married, and 17.55% of their moms were illiterate. Around 9.6% of adolescent girls had dropped out, with the primary reasons being marriage (38%) and not being interested (25%). Adolescent girls were married at a rate of about 5.31%. The average age of menarche, marriage and pregnancy was 13.54+ years, 17.5 1.29 years and 18.23 + 0.9 years, respectively. Majority of adolescent girls (53.06%) were underweight followed by normal (45.51 %), overweight (1.02 %) and obese (0.41%). About 95.31% of adolescent xii girls were anaemic. Around 69.59% of adolescent girls had mild anaemia and only 1.84% were severely anaemic. Objectives of the Study To assess the level of knowledge among adolescent girls towards the abuse. To evaluate the effectiveness of computer assisted teaching assertiveness behaviour towards the prevention of abuse among adolescent girls. To associate the level of knowledge score adolescent girls with their selected demographic variables.