> Yet somehow people from this subcontinent still get along with the British, possibly better than the other way around.

What do you mean by "get along" in this context? Because obviously on an individual person to person basis, getting along is very easy and (sane) individuals won't let nationality get in the same way of cordial socialization.

There's also the fact that the British Empire is slowly fading into the past with every year that goes by, and the problems of the future are coming up. People won't dedicate too much energy towards hating a past foe when they literally have nuclear warheads pointed at the present one. It didn't take long for Poland's hate for Germany to be replaced with a hostility to Russia, because the Russians were/are much more recent.