The Additional District and Sessions judge R P Singh sentenced Bigan Mahto to death for abducting teacher Hira Lal Mahto's son Suman from his residence in Rajjiganj locality under Kodha police station area on January 19, 2012 for extortion and later strangulated the child to death.
The body was dumped in Boro river and later fished out by the police on grilling the convict who directed the rescuers to the site.
Mahto was convicted and undergoing life imprisonment in the kidnapping and murder of another eleven year-old boy earlier.
