The police have arrested three persons for allegedly abetting a youth to commit suicide.A case was registered under Sections 306 and 34 of the IPC on the basis of a complaint submitted by Tara Chand of Gobindgarh village near here.His son Raj Kumar (27) ended his life by hanging himself from a ceiling fan of his house on December 23.Jyoti, wife of the deceased, her mother Pooja and father Mohinder Kumar of Sant Nagar, here have been arrested.The trio were remanded in judicial custody by a court here.