https://en.wikipedia.org/wiki/Category:Sikh_terrorism
I stand by my statement until shown statistical evidence to the contrary. This link is insufficient.
Sorry, but the burden of proof is on you. Please provide a study, or serious statistics proving your point.
What about Tibetan Buddhists? They have been highly persecuted. Yet only thing they set fire to is their own body.
https://en.wikipedia.org/wiki/Category:Sikh_terrorism