The perpetrators were in fact brought to justice. The coverage about this in the World press was due to ordinary Indians (Both men and women) protesting on a massive scale against this atrocity.
And Indians should be proud of the fact that their Government listened to them and increased the penalties for violence against women, which is not unique to India (Read this->http://www.thenation.com/blog/172024/americas-rape-problem-we-refuse-admit-there-one#), though the penalties are now one of the toughest.
I've spoken to many of Indians regarding this and all of them were very vocal about the perpetrators getting the capital punishment for this.
Author and activist Eve Ensler, who organised One Billion Rising, a global campaign to end violence against women and girls, said that the gang rape and murder was a turning point in India and around the world. Ensler said that she had travelled to India at the time of the rape and murder and that after
"having worked every day of my life for the last 15 years on sexual violence, I have never seen anything like that, where sexual violence broke through the consciousness and was on the front page, nine articles in every paper every day, in the center of every discourse, in the center of the college students' discussions, in the center of any restaurant you went in. And I think what's happened in India, India is really leading the way for the world. It's really broken through. They are actually fast-tracking laws. They are looking at sexual education. They are looking at the bases of patriarchy and masculinity and how all that leads to sexual violence."
And about the 2 guys who tried to justify it, its victim blaming and there would be some in every country who would do that.
We can't extrapolate the actions/words of two to a nation, and especially one that's as diverse as Europe.. If we do that, no country would be in the clear.