1) POK and IOK being center of war, why wouldn't they want a separate state?
If they would be the one losing everything, neither India nor Pak would give up, even if the POK decides to be under Ind, will pak accept n vice versa?
2) Khalistani are few of the Sikhs who wants separate state, they are outliers, not every sikh wants the same, and unlike khalistan, Balochistan exist
And Canada been warned from giving them shelter, it's canada who's suffering the most, forget about India