Kautilya's Arthashastra 7.17.7

7.17.7

tasyātikrame śapathena agnyudakasītāprākāraloṣṭahastiskandhāśva.pṛṣṭarathopasthaśastraratnabījagandharasa.suvarṇahiraṇyāny ālebhire "hanyur etāni tyajeyuś cainaṃ yaḥ śapatham atikrāmet" iti //

In case of any apprehension of breach of honesty, they made their agreement by swearing by fire, water, plough, the brick of a fort-wall, the shoulder of an elephant, the hips of a horse, the front of a chariot, a weapon, seeds, scents, juice (rasa), wrought gold (suvarna), or bullion gold (hiranya), and by declaring that these things will destroy and desert him who violates the oath.