C H Mohammad Rafiq, 48, a resident of Chemmanad, died at a private hospital in Ashwanai Nagar, on Saturday.
The boy took the extreme step even as the Child Welfare Committee was scheduled to record his statement in connection with the assault incident.
He was assaulted for allegedly misbehaving with a woman at a private hospital in Kasaragod.
The Social Justice Department has submitted a report stating that the octogenarian had died owing to neglect by his children.
TH Shafeeq, 35, who had a seizure and collapsed at the Borstal school at Thrikkakara on January 12, died the day after at Kottayam Medical College Hospital.
After Vipin Lal, another accused - Vishnu - has come forward seeking permission to become an approver in the sensational actor assault case of 2017. The Court will consider his application on Friday.
In and outside Kerala, Shaheer has seen the jungles through his lens in ways we have never seen and captured fascinating visuals of the jungle.
Preliminary checks have revealed that the son did not care for his parents nor did he allow the neighbours to help them.
The police had recently indicated that they had found the reason behind the missing. Unofficial reports also surfaced that Jesna had gone to Tamil Nadu and was alive.
The girl who is now 17 years old, was earlier abused four years ago when she was just 13 years old and she was lodged at Nirbhaya home since 2016.