Two-time world champion Zareen defeated the two-time Asian Champion Nguyen by unanimous decision.
India's best medal hope, five-time World boxing champion M C Mary Kom lived up to expectations as she beat Zhaina Shekerbekova of Kazakhstan to win the gold medal in the flyweight category (48-51kgs) at the Asian Games, in Incheon, on Wednesday.
Mary Kom added another feather to her already crowded cap and became the first Indian woman boxer to clinch a gold medal at the Asian Games. In the 2010 edition she had to settle with a bronze medal.
Olympic bronze-medallist M C Mary Kom once again led the charge as she packed a powerful punch by assuring herself at least a silver medal in the fly weight category (48-51kgs) after beating Vietnam's Le Thi Bang at the 17th Asian Games, in Incheon on Tuesday.
She understands the emotion behind L Sarita Devi's tearful protest on the Asian Games podium but M C Mary Kom, who became the first Indian woman boxer to win gold at the mega-event, said faced with a similar crisis, she would have shown dissent differently.
By removing headgear, it has changed the way boxers and coaches prepare, it has changed tactics. Now you have to defend better, use good techniques to protect your head.
India's boxing ace, MC Mary Kom became the first Indian woman on Wednesday to win a gold medal at the Asian Games.