[4] He achieved this feat after scoring a century in the 2015–17 ICC World Cricket League Championship's match against Scotland on 29 July 2015.

Mandal was selected in Nepal Under-19s fourteen man squad in the 2008 Under-19 World Cup,[6] making six Youth One Day International appearances in the tournament.

[7] In 2010, Mandal was selected in Nepal's fourteen man squad for the 2010 World Cricket League Division Five in February 2010, making his senior debut in the tournament in a controversial match against the United States.

In February 2012, he was selected as part of Nepal's fourteen man squad for the World Twenty20 Qualifier,[10] making his Twenty20 debut during the tournament against Afghanistan.

In August 2012, he was selected in Nepal's fourteen man squad for the World Cricket League Division Four in Malaysia.