Arthashastra
तेषां कुप्य भृतम् अमित्र अटवी बलं विलोप भृतं वा कुर्यात् ॥
Such are the periods of time for recruiting the army. Of these armies, one has to pay the army of wild tribes either with raw produce or with allowance for plunder.
english translation
teSAM kupya bhRtam amitra aTavI balaM vilopa bhRtaM vA kuryAt ॥
hk transliteration by Sanscript