वैषम्ये सर्वत्रानुयोगं दद्यात् ॥ कZ_०२.८.२७ ॥
vaiṣamye sarvatrānuyogaṃ dadyāt
Where there is irregularity/inequality (in statements or circumstances), a follow-up interrogation shall be applied in every respect (on all points).
Any discrepancy or unevenness in facts, statements, or outcomes (vaiṣamya).
It prevents selective inquiry and mandates comprehensive probing when inconsistencies appear.