A court here yesterday sentenced a youth to three years' rigorous imprisonment (RI) for keeping two grams of heroin in his possession. After examining six witnesses, the Joint District and Sessions Judge Sheikh Golam Mahbub handed down the punishment to Md Selim, 26, son of Joydhar Ali of Daragram village under Saturia upazila of the district. Md Selim was held with two grams of heroin by the police on November 20 in 2011.