Kautilya's Arthashastra 4.8.23

4.8.23

ity aṣṭādaśakaṃ karma //

As to persons who have committed grave offences, the form of torture will be nine kinds of blows with a cane:--12 beats on each of the thighs; 28 beats with a stick of the tree (naktamála); 32 beats on each palm of the hands and on each sole of the feet; two on the knuckles, the hands being joined so as to appear like a scorpion; two kinds of suspensions, face downwards (ullambane chale); burning one of the joints of a finger after the accused has been made to drink rice gruel; heating his body for a day after be has been made to drink oil; causing him to lie on coarse green grass for a night in winter. These are the 18 kinds of torture.