Optional Chamber: Exists in only six states as of 2025: Andhra Pradesh, Bihar, Karnataka, Maharashtra, Telangana, and Uttar Pradesh.
Composition: Minimum 40 members, maximum one-third of the Assembly’s strength (Article 171).
Elected: 5/6 of members, including 1/3 by Assembly members, 1/3 by local bodies (municipalities, district boards), 1/12 by graduates, and 1/12 by teachers, using proportional representation by single transferable vote.
Nominated: 1/6 by the Governor for expertise in literature, science, art, cooperative movement, or social service.