According to section 20 of the Societies Registration Act, 1860, the following societies can be registered under the Act: 'charitable societies, military orphan funds or societies established at the several presidencies of India, societies established for the promotion of science, literature, or the fine arts, for instruction, the diffusion of useful knowledge, the diffusion of political education, the foundation or maintenance of libraries or reading rooms for general use among the members or open to the public, or public museums and galleries of paintings and other works of art, collection of natural history, mechanical and philosophical inventions, instruments or designs.'