दूष्याननुप्रविष्टा वा तीक्ष्णाः शस्त्ररसाभ्यां हन्युः ॥ कZ_०९.५.१५ ॥
dūṣyān anupraviṣṭā vā tīkṣṇāḥ śastrarasābhyāṃ hanyuḥ
নাইবা, দোষণীয় লোকৰ মাজত অনুপ্ৰৱেশ কৰা তীক্ষ্ণ এজেণ্টসকলে অস্ত্ৰ বা বিষেৰে (লক্ষ্যক) হত্যা কৰক।
It represents escalation when conciliation/co-option fails or when the threat is acute; Kautilya presents a graduated toolkit.
Two covert modalities: overt-looking violence (weapon) or deniable killing (poison), chosen for feasibility and concealment.