Kautilya's Arthashastra 3.17.10

3.17.10

striyaṃ puruṣaṃ vābhiṣahya badhnato bandhayato bandhaṃ vā mokṣayataḥ pañcaśatāvaraḥ sahasrapara uttamaḥ sāhasadaṇḍaḥ // ity ācāryāḥ //

My preceptor holds that keeping or causing to keep by force either men or women in prison, or releasing them by force from imprisonment, shall be punished with fines ranging from 500 to 1,000 panas. This fine is termed the highest amercement.