5. Conditions for a Hindu marriage .—A marriage may be solemnized between any two Hindus, if the following conditions are fulfilled, namely:—
(i) neither party has a spouse living at the time of the marriage; 1[(ii) at the time of the marriage, neither party—
(a) is incapable of giving a valid consent to it in consequence of unsoundness of mind; or
(b) though capable of giving a valid consent, has been suffering from mental disorder of such a kind or to such an extent as to be unfit for marriage and the procreation of children; or
(c) has been subject to recurrent attacks of insanity 1***;]
(iii) the bridegroom has completed the age of 2 [twenty-one years] and the bride, the age of 3[eighteen years] at the time of the marriage;
(iv) the parties are not within the degrees of prohibited relationship unless the custom or usage governing each of them permits of a marriage between the two;
(v) the parties are not sapindas of each other, unless the custom or usage governing each of them permits of a marriage between the two; 4* * * * * *