If the husband was sterile or impotent he had to take further measures. In the last resort he would appoint a close relative, usually a brother, to produce offspring on his behalf. ([1], 176)
Patriarchal Indian society gives lot of importance to son. Apart from being a support during the old age, it is also believed that the parents will not get to heaven without son. The Mahābhārata ([2], 251) refers to the different...