Attempts to genocide Indian population was done actively, though not as effective as native americans and native Australians due to our certain level immunity to smallpox from historic outbreaks
Britshits had two way approach to Indian genocide
1. Use of diseases
Brits did everything to exacerbate epidemics in India, but none was as successful as smallpox. Notice how our small pox count rises rapidly during Brit rule and and starts rapidly dropping after our independence
View: https://www.youtube.com/watch?v=kdZw_YXQ6O8
2. Use of famine
The ones who survived disease were at the receiving end of famines and starvation
Close to a 100 million died in these genocides at a time when our population was 300 million
Few more centuries of Brit rule and we would be minority in our own lands like native americans
Brits have little care for the climate, they wanted India for its capability to sustain large human population. No country in he world has large arable lands as India and where crops can grown even in winter
Land of UK didn't have the resources to sustain its existing population, even today UK imports 46% of food consumed there. They lack food security to this day
United Kingdom Food Security Report 2021: Theme 2: UK Food Supply Sources
Real reason they left was because they were weakened after the WW2 and Americans subtly hinted decolonization can happen the easy way or the hard.