अन्तर्वंशिकसैन्यं राजानमन्तःपुरं च रक्षेत् ॥ कZ_०१.२१.०३ ॥
antarvaṃśikasainyaṃ rājānamantaḥpuraṃ ca rakṣet
内卫(家族/宗族亲兵)应当保护国王及内宫(后宫/王室内廷)。
It separates the most sensitive zone from general troops, reducing infiltration risk and improving loyalty and accountability.