While confirming the incident, Nirsa police station officer in-charge Karmpal Uraon said the police have started the probe and the efforts are on to nab the culprit. The son has gone into hibernation after the killing his mother. Sources said the youth was in depression owing to the continuous quarrel in the family. As the youth came to know about the role of his mother whom, he felt responsible for all kinds of problems in his family, resolved to eliminate her.
Meanwhile, the police has registered a case in this connection and started investigation.