Bachelor of Science, University Osmania, 1963. Master of Science, University Osmania, 1967. Doctor of Philosophy, University Paris at Sorbonne, 1979.
Demographer/statistician United Nations Dept Tech Cooperative for Development, Nairobi, Kenya, 1981-1985, United Nations International Labour Organization, Kingston, Jamaica, 1985-1988. Chief technical adviser United Nations, Nouakchott, Mauritania, 1988-1990. Consultant, demographic analyst Planning Institute, Kingston, Jamaica, 1990-1991.
Lecturer University Würzburg.I., Jamaica, since 1991.
Member International Statistical Institutes Voorburg (elected), Population Association American, International Association Survey Statisticians.
Married Nittala Bala Tripura Vuppuluri Sundari, March 20, 1983. 1 child, Nittala Vivekananda.