Polygyny or the practice of having more than one wife is legal in India only for Muslims, but National Family Health Survey (NFHS) data shows it is almost as prevalent in other communities, though on the decline in all.

Indian society consists of immensely varied political, social, ethnic, linguistic, religious and community groups, which, by and large, reside in villages, where poverty, misconceived religious notions, social customs, illiteracy, ignorance and superstitions prevail.

The tribal population groups from 7.95 percent of the total population of India. About 67.76 million persons have been enumerated in the country (excluding Jammu & Kashmir) as members of the Scheduled Tribes (1991 census).