The grandson, Jagapal (21) alias Rushi was arrested yesterday.
Dispute over family property was the cause of the murder, the police said.
Eighty-year-old Harbans Kaur used to live in a double storied building with two daughters-in-law and their children after the death of her two sons.
Harbans and her nine-year-old grand daughter were found dead in a pool of blood with their neck slit on Saturday last.
The weapons used in the crime were yet to be seized.
Rourkela: The grandson of an 80-year-old woman was arrested in connection with the double murder of the woman and her grand daughter in Madhusudan Marg are of the city.
First Published: Tuesday, June 22, 2010, 14:35