Classification of Marriage

Polygyny:
It is a form of marriage in which one man marries more than one woman at a given time. It is of two types , they are
Sororal polygyny and non sororal
polygyny

Sororal polygyny:
It is a type of marriage in which the wives are invariably the sisters. It is often called sororate.

Non-sororal polygyny:
It is a type of marriage in which the wives are not related assisters.

Polyandry
It is the marriage of one woman with more than one man. It is less
common than polygyny.
It is of two types. Fraternal Polyandry and.   non fraternal polyandry.

Fraternal polyandry:
When several brothers share the
same wife the practice can be called. alelphic or fraternal polyandry. This practice of being mate, actual or potential to one's husband's brothers, called levirate. It is prevalent
among Todas. Dropodi  in Mohavarat marry five pundovs brother at the same time.

Non - fraternal polyandry:
In this type the husband need not
have any close relationship prior to. the marriage. The wife goes to spendsome time with each husband. So long as a woman lives with one of her husbands the others have no claim over her.

Monogamy:
It is a form of marriage in which one man marries one woman .It is the most common and acceptable form of marriage.

Serial monogamy:
In many societies individuals are
permitted to marry again often on the death of the first spouse or after divorce but they cannot have more than one spouse at one and the same time.

Straight monogamy:
In this remarriage is not allowed.

Group Marriage:
It means the marriage of two or more women with two or more men. Herethe husbands are common husbands and wives are common wives. Children are regarded as the children of the entire group as a whole. now a days group marriage and group sex without marriage is increased .