Defending champions India outclassed debutant Japan by 10 wickets in their second match of the ICC U-19 World Cup, Bloemfontein, on Tuesday.
Opting to field first, India bowled out a hapless Japan for 41 runs in 22.5 overs with leg-spinner Ravi Bishnoi taking four wickets.
India needed just 4.5 overs to complete formalities with Yashasvi Jaiswal and Kumar Kushagra remaining unbeaten on 29 and 13 respectively.
In their tournament-opener on Sunday, India had beaten Sri Lanka by 90 runs.