1994–2012 Kumar first competed in International boxing in 1999, winning a gold medal in the 6th YMCA Junior International Boxing Championship. In 2001 he won another gold medal in the International Invitational Boxing Championship in Russia. In 2003, he won a gold medal in the flyweight category by defeating Vilitio M Payla (Php) 20-16. He won a Best Boxer award three times, in addition to twelve gold, one silver, and four bronze medals.
2004–2005 Kumar qualified for the Athens Games by winning second place at the
1st AIBA Asian 2004 Olympic Qualifying Tournament in
Guangzhou, China. In the first round he lost to Uzbekistan's
Tulashboy Doniyorov. At the
2004 Olympics, he lost in the first round to
Jerome Thomas. In 2005 Kumar won the gold medal at the 4th Commonwealth Federation Boxing Championships in
Glasgow,
Scotland. He defeated
Bongani Mahalangu of South Africa by a narrow margin of 18-17 in the 54 kg final.
2006 Melbourne Commonwealth Games In the
2006 Commonwealth Games he won the gold medal in the Bantamweight 54 kg category by edging out Nigerian
Nestor Bolum and defeating Mauritian
Bruno Julie in the final. He landed six unanswered blows in the opening round of the final. The second round was quite even, with Kumar winning 5-4. He did slightly better in round 3, winning it 6-4, and despite losing the final round 3-4, succeeded in avoiding the single punch that might have cost him the tie.
2008 Beijing Olympics and AIBA World Cup Kumar qualified for the 2008 Olympic Games, beating among others the silver medallist from the 2004 Summer Olympics,
Worapoj Petchkoom, at the Asian boxing qualifying tournament in
Bangkok. At the Olympic event, he made his way to the second round in the Bantamweight 54 kg category beating Frenchman
Ali Hallab on points 12-5. In the round of 16, he beat World Champion
Sergey Vodopyanov, coming from 2-6 down in the second round of the bout. The score was tied 9-9 at the end of the fourth round but the judges decided in Kumar's favor because he landed a greater number of punches. He lost 3-10 to
Veaceslav Gojan of
Moldova in the quarter finals on 18 August 2008. He was coached by the Indian boxing coach
Gurbaksh Singh Sandhu. In the AIBA World Cup 2008 held in Moscow, Kumar beat Marcel Schinder of Germany in the quarterfinals with a margin of 15-6. In the semifinals the final score was a tie, 4-4, but this time, the judges awarded the match to his opponent. Kumar won a bronze.
2012 London Olympics Akhil Kumar was ruled out of the 2012 London Olympics; due to an injury he failed to reduce weight in time to take part in the Asian Continental Olympic qualification tournament, held in Astana (
Kazakhstan) in April 2012. ==Awards==