law: The Prevention of Terrorism Act, 2002
  21. Offence relating
  
  to support given to a terrorist organization.-
  1.  A
  
  person commits an offence if-
  a.   he invites support
  
  for a terrorist organisation, and
  b.   the support is not,
  
  or is not restricted to, the provision of money or other property within the
  
  meaning of section 22.
  1.  
  2.  A
  
  person commits an offence if he arranges, manages or assists in arranging or
  
  managing a meeting which he knows is-
  a.   to support a terrorist
  
  organisation, or
  b.   to further the
  
  activities of a terrorist organisation, or
  c.   to be addressed by a
  
  person who belongs or professes to belong to a terrorist organisation.
  1.  
  2.  
  3.  A
  
  person commits an offence if he addresses a meeting for the purpose of encouraging
  
  support for a terrorist organisation or to further its activities.
  4.    A
  
  person guilty of an offence under this section shall be liable on conviction,
  
  to imprisonment for a term not exceeding ten years or with fine or with both.
  Explanation.- For the purposes
  
  of this section, the expression "meeting" means a meeting of three or
  
  more persons whether or not the public are admitted.