Explanation:

- Contempt proceedings: The Indian Evidence Act is not applicable to contempt of court proceedings as these are governed by distinct laws and follow their own procedures.

- Affidavit: Affidavits are typically not covered under the Indian Evidence Act. They are formal declarations and often follow procedures set out by other rules.

- Proceedings before Arbitration: The Indian Evidence Act does not strictly apply to arbitration proceedings. The arbitration process is guided by the Arbitration and Conciliation Act, which permits flexibility in handling evidence.

- All of them: The Indian Evidence Act does indeed not cover the above three areas.