India's efforts to promote family planning have produced a significant increase in the couple protection rate (CPR) which has increased by about 33 percent during the last 22 years-from 10.4 percent in 1970 to 43.5 in 1992.

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).