Shiva Thapa and L Devendro Singh have advanced to the second round of the National men's Boxing Championships in Visakhapatnam. Shiva, a former World Championships bronze-winner sailed past Tripura's Naveen Kumar in his opening bout in the lightweight 60kg category. Devendro, a Commonwealth Games and Asian Championships silver-medallist, got the better of Arunachal Pradesh's Kumar Beyong in his first-round contest of the flyweight (52kg) category. K Shyam Kumar competing for the Railways Sports Promotion Board (RSPB) defeated H P Kumar Meitei of Manipur in the first round of the light flyweight (49kg) division. Over 300 boxers from 37 states and sports promotion boards are competing in the championships.