Meantime, even with the Brits long gone, grass shacks are the construction materials for many, many Indian families.
Were it not for the Brits, India would be totally backward like Africa
If you'd care to just google, India was very rich till the British pillaged her out of $45 Trillion in todays money. Besides killing millions of Indians in artificial famines caused by the diversion of Indian grown grain to Britain and Europe.
Most of the modern mathematical knowledge was known to ancient Indians long before the Europeans came to know of it via Arab traders.
And the poor governance of the first 65 years after Independence was essentially caused by Indian pols who craved the acceptance of liberals in the West rather than do what Indians needed done.