You forgot one important detail. All those three countries have Islam as their state religion and Muslims are unlikely to be persecuted there on religious grounds.
And while Police action on Jamia students is condemnable, it must be noted that protestors did get violent and the Police had to resort to strong measures as a response.
> All those three countries have Islam as their state religion and Muslims are unlikely to be persecuted there on religious grounds.
This is not true at all. There are minority sects within Islam, depending on the country. The followers of those do get persecuted on religious grounds (look up Shias, Ahmediyas, etc.) by the majority.
And while Police action on Jamia students is condemnable, it must be noted that protestors did get violent and the Police had to resort to strong measures as a response.