D Shashi Kumar, KAMS general secretary said that more than 80 percent of schools held surprise checks. "There were oral contraceptives (i-Pill) in one student s bag. Also, there was alcohol in water bottles," he added. After the incident came to light experts have stressed the need for parental supervision on the students. Bengaluru Shocker: Surprise Bag Check Leads to Recovery of Condoms, Cigarettes, Alcohol and Oral Contraceptives From School Students.