Most students in the age group of 13-15 years smoke or use tobacco products in schools in the state, according to the Global Youth Tobacco Survey (GYTS-4) released on Monday. After school (93.8%), students prefer homes of friends (2.4%), own homes (1.1%), social events (1%), public places (0.9%) and others (0.7%) for smoking, the survey shows.

IIPS professor Murli Dharan said the survey was conducted in 34 schools which have 2,735 students. Around 90% of the children said that they developed the habit of tobacco consumption from schools.