The four vandals work in Bengaluru, police sources said.
The incident had triggered statewide outrage after a video of it went viral.
"While three of them felled the pillars, the fourth one shot the video," the Ballari police said in a statement.
Following the incident, water resources minister D K Shivakumar had said the state government would not tolerate any act of causing damage to historical sites and stern action would be taken against the culprits.
Locals had staged a protest, demanding that adequate security be provided to the monuments.
Recently, the erstwhile capital of Vijayanagar empire- Hampi- known for its rich architecture, was listed second on the New York Times list of 52 must-go sites in the world.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)