Backward and Minorities Community Employees Federation (BAMCEF) is an example of which one of the following?

The public interest groups are important services as a reminder to the government about the interests and concerns of the common people. Backward and Minorities Community Employees Federation (BAMCEF) was established in 1978. This organization is working since 1973 for the employees of scheduled castes, scheduled tribes, other backward classes, and even minority communities who are educated.