Hindu Adoptions and Maintenance Act, 1956
(1)Subject to the provisions of this section, a Hindu wife, whether married before or after the commencement of this Act, shall be entitled to be maintained by her husband during her life time. (2) A Hindu wife shall be entitled to live separately from her husband without forfeiting her claim to maintenance,― 7 (a) if he is guilty of desertion, that is to say, of abandoning her without reasonable cause and without her consent or against her wish, or of wilfully neglecting her; (b) if he has treated her with such cruelty as to cause a reasonable apprehension in her mind that it will be harmful or injurious to live with her husband; 1 (d) if he has any other wife living; (e) if he keeps a concubine in the same house in which his wife is living or habitually resides with a concubine elsewhere; (f) if he has ceased to be a Hindu by conversion to another religion; (g) if there is any other cause justifying her living separately. (3) A Hindu wife shall not be entitled to separate residence and maintenance from her husband if she is unchaste or ceases to be a Hindu by conversion to another religion.