new delhi tobacco and alcohol have been found to be most common substances used by street children women and child development wcd minister maneka gandhi told parliament on friday according to a study by national commission for protection of child rights ncpcr to collect information on the pattern of substance use among children it was found that the percentage of inhalant and opium users was higher in children living on the streets than in those living at home it also said more than 50 children living on the streets were reported to have bad or very bad relationship or no relationship with the family the study titled assessment of pattern profile and correlates of substance use among children in india was carried out in 201213 to collect information on pattern of substance use and profile of children using substances and to collect information on family peer stress psychological physical health and legal aspects associated with substance use among children tobacco and alcohol were the most common substances used by children followed by cannabis and inhalants pharmaceutical opioids sedatives heroin and opium the minister said while replying to a question in lok sabha