The prevalence of tobacco use among the school and college going adolescents of Haryana, a state in northern India was studied. 1130 male and 256 female students were given a self administered questionnaire regarding tobacco use. 160 (14.2%) male and 6 (2.3%) female students reported to have smoked at any time in the past. The prevalence of current smoking (defined as smoked in last one week) was only 7.1%. Of the 166 ever smokers, 44% had started this habit between 10 to 15 years of age. There was no rural-urban difference. Univariate analysis showed, male sex, age > 15 years, smoking by father, mother, sister, and friends to be significantly associated with smoking by the adolescent children. By logistic regression, only smoking by friend (O.R. 6.14), brother (O.R. 1.74) and male sex (O.R. 4.67) were found to be significantly associated with smoking by adolescent children. About 8% of the smokers were spending more than Rs. 10 per week on this habit. Both the smokers and non smokers were well aware of the adverse health effects of smoking indicating that mere provision of information on hazards of smoking may not be enough to reduce the prevalence of smoking. A more concerted effort for inducing behavioural change including legislation, communication is called for the fight against smoking.