In 2010, at the age of 15, Kosović represented Montenegro's football team at the 2010 Summer Youth Olympics.
They have one daughter, Alexia, born in 1993, who won gold in the girls' hammer throw at the 2010 Summer Youth Olympics in Singapore.
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Kunalan also made a cameo appearance in the music video for one of the three 2010 Summer Youth Olympics cheer songs, You Are The One Singapore, alongside former athlete Ang Peng Siong and swimmer Tao Li.
Kuwait competed under the Olympic flag at the 2010 Summer Youth Olympics.
On 7 June 2009, Yeo with Canagasabai Kunalan were unveiled as the two deputy mayors of the Youth Olympic Village for the 2010 Summer Youth Olympics held in Singapore.
He also participated at the 2010 Summer Youth Olympics were his team won the silver medal.
Shooting at the 2010 Summer Youth Olympics, as approved by the International Shooting Sport Federation, comprised 10 metre air rifle and 10 metre air pistol, each for boys (60 shots) and girls (40 shots), with 80 competitors altogether.
It is also the site of equestrian events of the 2010 Summer Youth Olympics.