तानेकैकशः पृच्छेत्समस्तांश्च ॥ कZ_०१.१५.४३ ॥
tānekaikaśaḥ pṛcchetsamastāṃśca
He should question them individually and also collectively.
Individual questioning reduces collusion and reveals independent judgment; collective discussion tests arguments under scrutiny and exposes inconsistencies.