They approved a common definition of a terrorist crime with heavier penalties.
Neighboring India condemned what the foreign ministry described as a "terrorist crime" and offered its full support.
To win prosecution, authorities must prove a link between a suspect and an act of terrorist crime.
The tribunal will mark the first time that an international court tried individuals for a "terrorist" crime committed against a specific person.
Was it a "terrorist" crime, an act of war or something different?
"Threatening to carry out terrorist crimes strikes at the heart of public order," the judges said in their ruling.
The trial in the nation's worst terrorist crime was under way.
We have reached the point where expressing an opinion is punished as a terrorist crime.
There has to be a suspected terrorist crime or the financing of such in order to gain access to this information.
The militants were all convicted by special military courts that began to try "terrorist" crimes last October.