A local court here on Thursday awarded death penalty to three convicts for kidnapping and later murdering an 11-year-old boy in 2013.The verdict was pronounced by the court of Additional District and Sessions judge Janardhan Singh.The convicted had killed the victim after kidnapping him. They even took a ransom of Rs 5 lakh from the minor's family.The victim was a relative of a police official. His body was recovered from Gorhar Police Station limits under Hazaribag district.