Arthashastra
आप्त पुरुष अधिष्ठितौ दुर्ग प्रत्यन्तस्थौ वा कोश दण्डाव् एकस्थौ कारयेत्, कुल्य कुमार मुख्यांश् च अन्य अपदेशेन ॥
Both the treasury and the army shall be kept under the command of two reliable and confidential persons and in a single locality, either within the fort or at the boundary of the kingdom.
english translation
Apta puruSa adhiSThitau durga pratyantasthau vA koza daNDAv ekasthau kArayet, kulya kumAra mukhyAMz ca anya apadezena ॥
hk transliteration by Sanscript