Indian Penal Code, 1860
IPC Section 121 in BNS
§ 121 IPC→§ 147 BNS
Waging war against the Government of India. Section 121 of the Indian Penal Code, 1860 (Waging war against the Government of India) corresponds to Section 147 of the Bharatiya Nyaya Sanhita, 2023.
Verify before you rely on this. Renumbering under the 2023 codes is not a clean one-to-one exercise — provisions were merged, split and reworded. Always check the printed bare act.
Practise it
Section 45 has AIBE 22 questions on this area, each cited to both codes with a line telling you where to find it in the bare act. Ten questions per subject are free.
Practise free Full IPC→BNS table