N. Rajesh (30) of Johnsanpettai, who was accused in the abduction of a businessman, was detained under the Goondas Act here on Wednesday. Rajesh led a gang that abducted Rajkumar on May 17, confined him to a house and demanded Rs. 50 lakh ransom for his release. Also, Rajesh was involved in a robbery on May 27 near Anna Bridge. Police Commissioner K.C. Mahali ordered his detention.