(i) Promotional or public interest groups promote collective rather than selective goods.
They aim to help groups other than their own members. For example, a group fighting against bonded labour fights not for itself but for those who are suffering under such bondage.
In some instances, the members of a public interest group may undertake activity that benefits them as well as others too.
Like BAMCEF (Backward and Minority Community Employees’ Federation) is an organisation largely made up of government employees that campaigns against caste discrimination.
It addresses the problems of its members who suffer discrimination but its principal concern is with social justice and social equality for the entire society.