Harikarthik Velu of Grade 5 has represented Karnataka at the 32nd South Zone Aquatic Championship 2019- organized by Telangana Swimming Association, held on 5th January 2020 at GMC Balayogi Aquatic Complex (Hyderabad).
He had participated in 4X50mts freestyle, 4X50mts medley relay, 50mts Butterfly and bagged 1 Gold, 1 Silver, and 1 Bronze respectively competing in under 11 categories in Group- 4.