Kautilya's Arthashastra 3.3.2

3.3.2

ata ūrdhvam aśuśrūṣāyāṃ dvādaśapaṇaḥ striyā daṇḍaḥ, puṃso dviguṇaḥ // iti śuśrūṣā /

WOMEN, when twelve years old, attain their majority (práptavyavahára) and men when sixteen years old. If after attaining their majority, they prove disobedient to lawful authority (asusrúsháyám), women shall be fined 15 panas and men, twice the amount.