Demographic literature is replete with observations of an inverse relation between certain attributes of modernity and family size (Thompson 1929; Notestein 1945; Coale and Hoover 1958; Leiberman 1980, Srinivasan 1986).

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).