Kautilya's Arthashastra 2.31.13

2.31.13

aratnau taṇuladroṇaḥ, ardhāḍhakaṃ tailasya, sarpiṣas trayaḥ prasthāḥ, daśapalaṃ lavaṇasya, māṃsaṃ pañcāśatpalikam, rasasyāḍhakaṃ dviguṇaṃ vā dadhnaḥ piṇḍakledanārtham, kṣāradaśapalikaṃ madyasyāḍhakaṃ dviguṇaṃ vā payasaḥ pratipānam, gātrāvasekas tailaprasthaḥ, śiraso 'ṣṭabhāgaḥ prādīpikaś ca, yavasasya dvau bhārau sa-pādau,
śaṣpasya śuṣkasyārdhatṛtīyo bhāraḥ, kaḍaṅkarasyāniyamaḥ //

The rations for an elephant (of seven aratnis in height) shall be 1 drona of rice, ½ ádhaka of oil, 3 prasthas of ghi, 10 palas of salt, 50 palas of flesh, 1 ádhaka of broth (rasa) or twice the quantity (i.e., 2 ádhakas) of curd; in order to render the dish tasteful, 10 palas of sugar (kshára), 1 ádhaka of liquor, or twice the quantity of milk (payah); 1 prastha of oil for smearing over the body, 1/8 prastha (of the same) for the head and for keeping a light in the stables; 2 bháras of meadow grass, 2¼ bháras of ordinary grass (sashpa), and 2½ bháras of dry grass and any quantity of stalks of various pulses (kadankara).