<prompt> Most common abused substance is:DaturaMarijuanaCocaineHeroin  <response>: Cannabis marijuana:Most commonly abused substance in India Opium: Derived from Papaver somniferum; poison of choice for suicide Heroin brown sugar: Synthetic derivative of opium Datura: Roadside poison or railway poison Cocaine: Obtained from dried leaves of Erythroxylum coca 