The Telangana pugilist is India's brightest medal prospect from the boxing contingent. Zareen has enjoyed an indomitable run in the past two years in flyweight (51 kg) category. She has won the world championship twice, added two Strandja Memorial titles, and a Commonwealth Games gold medal.

Zareen rose to fame when she won the World Junior Boxing Championships in the 50 kg category in 2011. She later won a silver medal in the 2019 Thailand Open. In the same year, Zareen also won a bronze medal at the Asian Championships.