DETAILS:- Vol.1: Bihar: Their Educational, Demographic and Socio-Economic Status with Comparative Indicators for Hindus, Sikhs, Christians and Other Communities, Based on a Singular and Systematic Field Survey 1990-1993. Vol.2: Rajasthan: Their Educational Demographic and Socio-Economic. Vol.3: Delhi: Their Educational Demographic and Socio-Economic Status with Comparative Indicators. Vol.4: Uttar Pradesh: Urban Their Educational, Demographic and Socio-Economic Status.