Neeraj Chopra had a brilliant opening to the season at Paavo Nurmi in Turku where he managed to throw a personal best 89.30m.
"Tough conditions with the weather, but happy to get my first win of the season here at Kuortane," Chopra wrote in an Instagram post.
The 24-year-old Chopra's opening throw of 86.69m turned out to be the winning distance. Trinidad and Tobago's 2012 Olympics champion Keshorn Walcott was second.
Chopra will be competing for the second time this week at the Kuortane Games, which is a silver-level event in the World Athletics Continental Tour.