Mirabai Chanu betters own national record but misses out on medal at Worlds 0 7 19 Sep 2019 13:52 Timesofindia.indiatimes.com (sports) Former world champion Mirabai Chanu bettered her own national record but missed out on a podium, finishing a creditable fourth, in the women's 49kg event at the World Weightlifting Championship on Thursday.