What are the public interest pressure groups?

What are public interest pressure groups? Describe their functioning.

Public interest groups are those that promote collective rather than selective interests.
Their functions is as follows:

  • It aims to help groups other than their own members.
  • They represent some common interest that needs to be defended.
  • The members of the organisation may not benefit from the cause that the organisation represents. For example, A group fighting against bonded labour fights not for itself but for those who are suffering under such bondage.
  • For example, BAMCEF