The official text
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Indian Penal Code, 1860
Section 138 Abetment of act of insubordination by soldier, sailor or airman
Whoever abets what he knows to be an act of insubordination by an officer, soldier, sailor or airman, in the Army, Navy or air Force, of the Government of India, shall, if such act of insubordination be committed in consequence of that abetment, be punished with imprisonment of either description for a term which may extend to six months, or with fine, or with both.
Bharatiya Nyaya Sanhita, 2023
Section 166 Abetment of act of insubordination by soldier, sailor or airman
Whoever abets what he knows to be an act of insubordination by an officer, soldier, sailor or airman, in the Army, Navy or Air Force, of the Government of India, shall, if such act of insubordination be committed in consequence of that abetment, be punished with imprisonment of either description for a term which may extend to two years, or with fine, or with both.
The texts are India Code’s. The amendment markers and footnotes of the official print are left out, so the old section reads as it stood when it was repealed; State amendments are not shown. The PDFs linked below carry the full history.