Section 18. Maintenance of wife.

(2) A Hindu wife shall be entitled to live separately from her husband without forfeiting her claim to maintenance – 

(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; (c) if he is suffering from a virulent form of leprosy; (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