pande - like it or not , Muslims are a majority in valley and they are not going to disappear. The solution has to be found which makes them feel its better to be part of India and I think that is already happening - India is shining and Pakistan is going to dogs.
Sikh terrorism got over because the terrorists themselves became corrupt and lost all local support. Post that it was easy for KPS Gill and cops to go and isolate and finish them off. The Congress chief minister Beant Singh had a huge role to sort out the political side of the equation to isolate Khalistanis - and he died for it.