Kottayam: The Kerala Police arrested Muhammed Bilal, a Thazhathangadi native in Kottayam district, in connection with the murder of the 55-year-old housewife.
Bilal was taken into custody in Ernakulam on Wednesday and questioned at a secret location.
The youth killed the woman and assaulted her husband during a burglary attempt at the house. Gold ornaments of the victim was stolen after the burglary.
The accused switched on the gas cylinder after the crime to destroy evidence.
The CCTV cameras installed at a petrol station in Chengalam had captured him fleeing with the victim' car.