बन्धुमुख्यप्रग्रहः प्रतिग्रहः ॥ कZ_०७.१७.११ ॥
bandhu-mukhya-pragrahaḥ pratigrahaḥ
‘Pratigraha’ (gadai-balik/counter-pledge) adalah penahanan (pragraha) atas seorang kerabat atau seorang tokoh utama.
It creates enforceable reciprocity: by holding a high-value person, the state gains leverage to deter breach and to compel performance without immediate war.