Arthashastra
मद्य भोजन फेलाभिस् तूर्यैर् वा अभिगताः सह । प्रहरेयुर् अरिं तीक्ष्णाः पूर्व प्रणिहितैः सह ॥
Or when he is eating or drinking, on these and other occasions, spies, together with other persons previously hidden at those places, may strike him down at the sound of trumpets.
english translation
madya bhojana phelAbhis tUryair vA abhigatAH saha । prahareyur ariM tIkSNAH pUrva praNihitaiH saha ॥
hk transliteration by Sanscript