In the fifth-place playoff match against Pakistan U-19 team, he took 3 wickets giving 53 runs. In the seventh-place playoff match against Namibia U-19 team, he took 3 wickets giving 35 runs. He finished the tournament as second highest wicket taker with 14 wickets at an average of 17.07 and strike rate of 21.9. In September 2016 Lamichhane received a letter from former Australian captain Michael Clarke. He invited him to play at the Sydney-based Western Suburbs District Cricket Club. In 2017 ACC Under-19 Asia Cup, he took 5 wickets giving 8 runs. Malaysia U-19 team was able to make 45 runs only. He became the man of the match.