The official text
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Indian Penal Code, 1860
Section 123 Concealing with intent to facilitate design to wage war
Whoever by any act, or by any illegal omission, conceals the existence of a design to wage war against the Government of India, intending by such concealment to facilitate, or knowing it to be likely that such concealment will facilitate, the waging of such war, shall be punished with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.
Bharatiya Nyaya Sanhita, 2023
Section 150 Concealing with intent to facilitate design to wage war
Whoever by any act, or by any illegal omission, conceals the existence of a design to wage war against the Government of India, intending by such concealment to facilitate, or knowing it to be likely that such concealment will facilitate, the waging of such war, shall be punished with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.
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amendment markers and footnotes of the official print are left out, so the old section reads as it stood when it was repealed; State amendments are not shown.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.