"He has been discharged after completion of surgery and medical treatment. He may have to continue treatment at his place for some more time," a Kancheepuram District Police official said requesting anonymity.
The injured commando Sandeep (23) sustained leg injuries on January 23 while participating in a practice session of the All India Police Commando Competition. He was later admitted to a private hospital.
Tamil Nadu Chief Minister Jayalalithaa had later announced a financial assistance of Rs five lakh for him.
The Three Delhi Police commandos were among 20 teams from various State police and paramilitary forces, which participated in the competition.