Kautilya's Arthashastra 3.2.48

3.2.48

nīcatvaṃ paradeśaṃ vā prasthito rājakilbiṣī /
prāṇābhihantā patitas tyājyaḥ klībo 'pi vā patiḥ //E

If a husband either is of bad character or is long gone abroad or has become a traitor to his king or is likely to endanger the life of his wife or has fallen from his caste or has lost virility, he may be abandoned by his wife.