Which of the following are settlement machineries of industrial disputes under the Industrial Relations…

Under the Industrial Relations Code, 2020 (formerly the Industrial Disputes Act, 1947), the statutory machineries for prevention and settlement of industrial disputes include Works Committees under Section 3 (A), conciliation officers under Section 43 (C), adjudication by Industrial Tribunals and National Industrial Tribunals under Sections 44 and 46 (D), and voluntary arbitration under Section 42 (E). Collective Bargaining (B) is a bipartite negotiation process rather than a statutory authority under the Code.