The accused, identified as Pravin Gosavi, was thrashed by the public at the spot and later detained by the police.
Gosavi had reportedly approached Athawale to get a picture clicked, and later slapped the Union Minister.
The accused is currently being treated for injuries at a hospital in the vicinity.
Further details are awaited.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)