Reddy has reportedly suffered a minor injury on his left arm and was provided first aid at the airport lounge.
According to reports, the attacker is an airport canteen employee, who approached Reddy on the pretext of taking selfie while the latter was waiting at the airport to catch a flight to Hyderabad.
The attacker was immediately taken into custody by the security officials and handed over to police.
The Vizag Airport Police have identified the attacker as J Srinivasa Rao, a native of Dhaniyalapalli village near Amalapuram in East Godavari district.
More details are awaited.