Kautilya's Arthashastra 3.20.18

3.20.18

pitāputrayor dampatyor bhrātṛbhaginyor mātulabhagineyayoḥ śiṣyācāryayor vā parasparam apatitaṃ tyajataḥ, sārthābhiprayātaṃ grāmamadhye vā tyajataḥ pūrvaḥ sāhasadaṇḍaḥ, kāntāre madhyamaḥ, tannimittaṃ bhreṣayata uttamaḥ, sahaprasthāyiṣv anyeṣv ardhadaṇḍāḥ //

When between father and son, husband and wife brother and sister, maternal uncle and nephew or teacher and student, one abandons the other while neither of them is an apostate; and when a person abandons in the centre of a village another person whom he brought there for his own help, the first amercement shall be levied.

When a person abandons his companion in the midst of a forest, he shall be punished with the middle-most amercement.

When a person threatens and abandons his companion in the midst of a forest, he shall be punished with the highest amercement.

Whenever persons who have started together on some journey abandon one another as above, half of the above fine shall be levied.