Following the initial clues, a police team conducted a detailed probe in the Kota Jhawar region and traced out the three persons and took them into custody today, SP Jaipur (Rural) Ashok Naruka said.
The arrested were identified as Gandia alias Raising (26) from Bundi, Kammo (35) and Arjun (24) both from Jhalawar.
They confessed to their involvement in the crime, the police official said, adding, efforts were on to arrest the nine others involved in the incident.
A group of twelve armed persons had broken into a house at Bhojpra village on June 10 night and attacked the family members before decamping with valuables, police said.
One person was killed and 11 others, including five women and two children, were injured in the incident.