न चानर्घेण कालिकां वा सुरां दद्यादन्यत्र दुष्टसुरायाः ॥ कZ_०२.२५.०७ ॥
na ca anargheṇa kālikāṃ vā surāṃ dadyāt anyatra duṣṭasurāyāḥ
And one should not sell Kālikā (a type of liquor) or liquor at a price below the proper valuation—except in the case of spoiled liquor.
To prevent revenue leakage (excise/monopoly rents), curb illicit competition, and reduce incentives for adulteration or clandestine sales.
To enable lawful disposal of defective stock without distorting normal price discipline.