विषण्णालिकमुभयतोरात्रं यामतूर्यम् ॥ कZ_०२.३६.३४ ॥
viṣaṇṇālikam ubhayato-rātraṃ yāma-tūryam
(Il y aura) un signal « viṣaṇṇālikā » pendant les deux nuits, et un signal de veille (yāma-tūrya) pour chaque période de garde.
To synchronize patrols, mark watch changes, deter crime through audible presence, and provide citizens predictable cues for curfew/safety routines.
It implies standardized SOPs for urban security—timekeeping, instrumentation, and coordinated manpower deployment.