Kautilya's Arthashastra 2.25.15

2.25.15

vaṇijaśs tu saṃvṛteṣu kakṣyāvibhāgeṣu svadāsībhiḥ peśalarūpābhir āgantūnāṃ vāstavyānāṃ cāryarūpāṇāṃ mattasuptānāṃ bhāvaṃ vidyuḥ //

Merchants seated in half-closed rooms shall observe the appearance of local and foreign customers who, in real or false guise of Aryas lie down in intoxication along with their beautiful mistresses.