Explanation:

- Section 133: This section in the Code of Civil Procedure (CPC) deals with the exemption of certain classes of persons from personal attendance in court. This includes women who are not accustomed to appearing in public, and others as specified.

- Section 137: This section talks about language of subordinate courts. It does not relate to exemptions.

- Section 139: Deals with the oath or affirmation to be made by witnesses, not relevant for exemption.

- Section 140: This section is about arrest, detention, and release, but not related to exemptions.