पुरस्तादध्याघाते मकरेण यायात्पश्चाच्छकटेन पार्श्वयोर्वज्रेण समन्ततः सर्वतोभद्रेण एकायने सूच्या ॥ कZ_१०.२.०९ ॥
purastād adhyāghāte makareṇa yāyāt paścāc chakaṭena pārśvayor vajreṇa samantataḥ sarvatobhadreṇa ekāyane sūcyā
Si l’on s’attend à un choc frontal, avancer en formation «makara» ; si la menace vient de l’arrière, employer la formation «chakaṭa» (char) ; si la menace vient des flancs, employer la formation «vajra» (diamant/foudre) ; si la menace vient de toutes parts, employer la formation «sarvatobhadra» (tous azimuts) ; sur une seule piste étroite, employer la formation «sūcī» (aiguille).
Formation is selected by the direction of threat and the constraint of terrain/route—deploy to cover the most likely attack axis.
A narrow track prevents broad deployment; a needle-like column preserves movement while maintaining controllable order.