स द्वादशद्वारो युक्तोदकभ्रमच्छन्नपथः ॥ कZ_०२.४.०२ ॥
sa dvādaśadvāro yuktodakabhramacchannapathaḥ
Kota/benteng itu hendaknya memiliki dua belas gerbang, dilengkapi sirkuit air (parit/sistem air), serta memiliki jalur tertutup/tersembunyi.
Gates enable controlled commerce and movement; waterworks add siege resistance; covered routes allow secure internal logistics and emergency redeployment.
Control: multiple gates distribute traffic yet remain regulated choke-points for inspection, tolls, and security screening.