Nithya Prakash a twenty two years old youth from Kannukaanur village near Valapadi stabbed his mother Palaniammal on Sunday night and escaped.
Wife of Swaminathan, the woman Palaniammal succumbed to the stab injuries.
The incident followed a fight between the NithyaPrakash and his mother.
The neighbours of Swaminathan informed the police following which the Valapadi Station Inspector Subramaninan led a team of cops to investigate the murder.
The police recovered the body and sent it for post-mortem. Futher investigations are on to find the cause of the murder.