A lot of these problems used to be widespread in the West, too. Littering was still ubiquitous into the 70’s, at the edge of living memory you have all kinds of ethic rent seeking and corruption, and sanitation was a huge problem in the 19th century. Stick with democracy and give it a a lifetime or two (change is hard, I’m sorry).
Even when Indians leave India, they try to create a mini-India abroad and not go out of their cultural comfort zone.
That’s not my experience in Canada. All immigrant communities tend to stick together, just for the familiarity, but I’d say Indians are are more comfortable interacting with other groups than average. It’s probably because India itself is so diverse.