You can see many times per day how they overpass other cars (sometimes even in 2-3 rows simultaneously: one car starts overpassing, then another starts overpassing first, then third..) just before a blind corner. You can witness several times per day how in the middle of the highway where average speed is about 100 km/h somebody may just make a U-turn without using indicators and passing the double solid line.

You can ride 100 kmph on a highway and then suddenly there's a truck or a bus or a motorcycle on your lane coming into you because the driver decided that waiting 2km for the next place where he can make a u-turn is too long.

If you drive even for one day in India you'll witness all these cases and more.

Statistics of deaths on the roads incidentally confirms this.