प्रस्थितागतानां च प्रवासावासकारणमनर्थ्यानां च स्त्रीपुरुषाणां चारप्रचारं च विद्युः ॥ कZ_०२.३५.१० ॥
prasthitāgatānāṃ ca pravāsāvāsakāraṇam anarthyānāṃ ca strīpuruṣāṇāṃ cārapracāraṃ ca vidyuḥ
他们应了解出发与到达的原因——是旅行还是居住——并追踪间谍以及可疑/不受欢迎的男女之动向。
It helps detect evasion (tax/forced service), infiltration, and criminal flight, while also regulating settlement and labour availability.