Mirabai Chanu likely to compete in 49kg in 2020 Olympics 0 09 Jul 2018 15:30 Timesofindia.indiatimes.com (sports) World champion weightlifter Saikhom Mirabai Chanu may have to compete in the 49kg class in the 2020 Tokyo Olympics instead of her current 48kg category as the international federation recently decided to introduce new categories in the sport.