ततः संधिच्छेदखातसुरुङ्गाभिरपगच्छेत् ॥ कZ_०७.१७.४८ ॥
tataḥ saṃdhiccheda-khāta-suruṅgābhir apagacchet
จากนั้นเขาควรหลบหนีไปโดยอาศัยช่องทะลุกำแพง คู/ร่องลึก หรืออุโมงค์
They represent layered escape infrastructure: improvised exits (breach), terrain masking (ditch), and preplanned covert corridors (tunnel).
States should anticipate and control subterranean/structural escape vectors around sensitive sites (forts, residences, prisons).