The victim, Ram Dev, a security guard, used to live in a house with his second wife and three children in Premnagar locality where his son from first wife, Subhash also lived in a room along with his wife and two children, police said.
According to the complaint by the deceased's wife, Subhash had been pressurising his father to divide the property and yesterday he beat him up with an iron rod and plastic pipes, they said.
The injured were rushed to the government hospital where Ram Dev was declared brought dead. A manhunt has been launched to nab the absconding accused, police said.