Roy was bestowed the honour of presenting the medals to the runners-up Belgium while Uttar Pradesh CM Akhilesh Yadav presented the trophy to hosts India.
Roy was later part of the champion team's group photograph.
Roy was in Tihar jail since March 2014 on charges of money laundering and has been on parole since earlier this year.
For the record, Sahara India is one of the sponsors of the Indian hockey team.