Yes, this is true. This is named as a speech that incites (makes people commit) imminent lawless action - that is, speech that incites violence or breaking the law.
Another exceptions to the rule of free speech are obscenity,- which is a quite controversial exception.
Money is the root for evil
Explanation:
The examples of social practices of Nepal are:
1.Marriage
2.Brathabanda
3.Rice feeding(bhat khuai)
4.Funeral (kiriya), etc.