There has never once been a famine in modern history (ie the last 400 years) that was not caused by political or military interference. 'Overbreeding' has not ever once been the cause of a famine.
In the case of the 1943 Bengal Famine, Wikipedia says:
Proximate causes comprise localised natural disasters (a cyclone, storm surges and flooding, and rice crop disease) and at least five consequences of war: initial, general war-time inflation of both demand-pull and monetary origin; loss of rice imports due to the Japanese occupation of Burma (modern Myanmar); near-total disruption of Bengal's market supplies and transport systems by the preemptive, defensive scorched earth tactics of the Raj (the "denial policies" for rice and boats); and later, massive inflation brought on by repeated policy failures, war profiteering, speculation, and perhaps hoarding. Finally, the government prioritised military and defense needs over those of the rural poor, allocating medical care and food immensely in the favour of the military, labourers in military industries, and civil servants. All of these factors were further compounded by restricted access to grain: domestic sources were constrained by emergency inter-provincial trade barriers, while access to international sources was largely denied by the War Cabinet of Great Britain. The relative impact of each of these contributing factors to the death toll and economic devastation is still a matter of controversy. Different analyses frame the famine against natural, economic, or political causes.
The region was densely populated, but it was perfectly capable of avoiding famine before and after, even when population had recovered back above the pre-famine level, with no significant changes in agricultural practices. It was prevented from doing so for political and military reasons - ie it was entirely the fault of the British, who set in place the conditions that caused it to occur, and who refused to take the necessary steps to mitigate those conditions once it became clear that people were starving.
The same is true of every famine - it is always blamed on 'overpopulation'; and a detailed look at the causes finds that population was far from the most important contributing factor, while a look at the aftermath usually finds future populations higher than those at the onset of famine, without any repeat of the disaster despite the only changes being political and military.
The sheer inhumanity of letting people die to bring the population down to a sustainable level would be vile even if it were effective - but in every case where famine has reduced populations, the population has recovered and then exceeded the previous level WITHOUT CAUSING FAMINE.
Famine was sadly common in the first half of the 20th Century; and rare but occasionally severe in the second half. Famine has basically ceased to exist in the 21st Century. Meanwhile, populations have massively increased in all of the areas where famine used to occur.
Every shred of actual data says that the hypothesis that famine is due to high population numbers, high population densities, or rapid population increases is WRONG. But it refuses to die, because it is an excellent excuse for not doing anything about the problem.
People who espouse this excuse are either too badly informed to have an opinion, and should refrain from expressing one; Or are vile scumbags who need a serious attitude adjustment; Or both.