Kautilya's Arthashastra 2.31.1

2.31.1

hastyadhyakṣo hastivanarakṣāṃ damyakarmakṣāntānāṃ hastihastinīkalabhānāṃ śālāsthānaśayyākarmavidhāyavasapramāṇaṃ karmasv āyogaṃ bandhanopakaraṇaṃ sāṃgrāmikam alaṃkāraṃ cikitsakānīkasthaupasthāyikavargaṃ cānutiṣṭhet //

THE Superintendent of elephants shall take proper steps to protect elephant-forests and supervise the operations with regard to the standing or lying in stables of elephants, male, female, or young, when they are tired after training, and examine the proportional quantity of rations and grass, the extent of training given to them, their accoutrements and ornaments, as well as the work of elephant-doctors, of trainers of elephants in warlike feats, and of grooms, such as drivers, binders and others.