https://en.wikipedia.org/wiki/Bengal_famine_of_1943#Historio...
Here's some scientific evidence that the Bengal famine of 1943 was not linked to soil moisture levels, like the previous five: https://www.aljazeera.com/news/2019/04/churchill-policies-bl...
Again, the long history of callousness of the British empire towards its colonies should lead one to be skeptical of the official intent at the time.
If you've supplanted an ethnic group's government and redirected resources such that people start dying in horrifically large numbers, that is also a case in which you're committing genocide. Even if you're the Brits.
Furthermore, India in the 1800s-1900s was not exactly like the Americas, Australia or South Africa. The population was much larger, and social, economic or cultural structures were much more robust, long-standing and harder to dismantle.
No one accused all "the British". If you read my sentence, I used the word, some Brits such as Churchill. There's ample evidence of Churchill's desire to genocide, and even actions taken to genocide non-white people and subsequent whitewashing of the matters. I am sorry if some readers are upset to discover this about their hero, as I do realize a lot of Anglo-Saxon people worship Churchill, but these are unfortunately the facts of the matter.
"I cannot understand this squeamishness about the use of gas," he wrote in a memo during his role as minister for war and air in 1919.
"I am strongly in favour of using poisoned gas against uncivilised tribes," he continued.
"In 1937, he told the Palestine Royal Commission: "I do not admit for instance, that a great wrong has been done to the Red Indians of America or the black people of Australia. I do not admit that a wrong has been done to these people by the fact that a stronger race, a higher-grade race, a more worldly wise race to put it that way, has come in and taken their place.""
You can also google Hanslope Park papers to see that a lot of other evidence of intentional planning for genocides and other serious crimes against humanity level of wrong doings were erased or blocked from being released. https://www.theguardian.com/politics/2013/oct/18/foreign-off...
To the extent that there was any plan for most of India, it seems to have been along the lines of taxing the peasants (hence salt) and using them as soldiers. Which of course was the traditional aim of empires, this was precisely the Mughal aim, but was quite a few generations past its prime in the 1940s. But if this is your game plan, then killing off the people is not in your interest. (I say "most" because obviously the plan for Bombay etc. was much like that for Hong Kong & Singapore, offshore trading posts, certainly a post-Mughal way to make a living.)
"It is sheer affectation to lacerate a man with the poisonous fragment of a bursting shell and to boggle at making his eyes water by means of lachrymatory gas. I am strongly in favour of using poisoned gas against uncivilised tribes. The moral effect should be so good that the loss of life should be reduced to a minimum. It is not necessary to use only the most deadly gasses: gasses can be used which cause great inconvenience and would spread a lively terror and yet would leave no serious permanent effects on most of those affected."
lachrymatory gas: That's tear gas. To cause a great inconvenience yet leave no serious permanent effects. To reduce loss of life to a minimum. That's clearly not a memo calling for genocide.
The Hanslope Park papers were about papers sent back to England related to the entire era of colonialism, not about "Churchill planning genocides" as you suggest.