Unusually low rice production due to natural disasters like cyclones and flooding significantly reduced food availability in Bengal.
With Burma falling to Japanese forces, Bengal's rice imports were halted, worsening the food crisis across the region.
Merchants and landlords began hoarding food and driving up prices. Black markets flourished while the poor went hungry.
The famine reached its peak with thousands dying daily. Calcutta streets were filled with the bodies of the starving.
Government and charitable organizations began providing food and medical aid, slowly reducing the mortality rate.