To me it seems that those men were not suspects in reality, but very much known to be the perpetrators, and just called suspects because of legal formalities?
Or even just because the person writing the article thought this more suitable.
I don't think anyone here can imagine how bad the rape epidemic in India is, and how it makes the women there feel.
Yeah, it is barbaric, but it is a reaction to how things are there.
In the Middle Ages, criminals were hung drawn and quartered in Europe if one managed to catch them, because catching them in the first place was a rare thing.
It has since been found that gruesome punishments are not nearly as good a deterrent as certainty of being caught, but a government has to do something.
Or, as many people say when hearing of the misogyny in India:
Well, it is their culture. We shouldn't judge.