He had nothing to do with that. The famine was largely caused by natural disasters, crop disease, Japanese invasion of Burma, and incompetent local beurocrats.
I would also imagine that he was a little busy with the impending fall of Europe in 1943 given the Americans did not join the war until 1944. I also looked at additional accounts and it appears the local government didn’t even declare a state of emergency, so how would he have known?
given the Americans did not join the war until 1944
What? Do you think D-day was the first day of war for Americans? It wasn’t.
https://en.wikipedia.org/wiki/List_of_United_States_Army_campaigns_during_World_War_II