Waging war against Government of any foreign State at peace with Government of India.

Whoever wages war against the Government of any foreign State at peace with the Government of India or attempts to wage such war, or abets the waging of such war, shall be punished with imprisonment for life, to which fine may be added, or with imprisonment of either description for a term which may extend to seven years, to which fine may be added, or with fine.

Section 152 of the Bharatiya Nyaya Sanhita 

Section 154 of the Bharatiya Nyaya Sanhita

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