"Nathi Devi was sleeping with her minor grandson in Bhim area when she was attacked yesterday. Her husband found her in an injured state following which she was rushed to the district hospital," they said.
Police also found a piece of black cloth with ISIS written on it with white paint in the backside of the house.
"It appears that the accused left it with an intention to mislead the investigation," police said, adding the matter is being probed.