SOCIA L sc IE NTIST VOLUME 19 NUMBERS 8-9 AUG.-SEPT. 1991 ADVISORY EDITORS EDITORIAL BOARD Ashok Mitra Madhu Prasad Amalendu Guha Utsa Patnaik Irfan Habib R.R.Krishnan Amiya Bagchi Kishore Theckedath Jacob Eapen D.Raghunandan C.Rajamohan C.P.Chandrasekhar CONTRIBUTING EDITORSThomas Isaac Sanjaya Baru Afis Dasgupta Javeed Alam V.K. Ramachandran MANAGING EDITORRajendra PrasadEDITORPrabhat Patnaik Venkatcsh Athreya CIRCULATION & ADVERTISEMENT EDITORIAL OFFICE C-20 Qutab Institutional Area NewDelhi 110 016. Phone: 6862924 C-20 Qutab Institutional Area, New Delhi 110 016 SUBSCRIPTION RATES InlandSingle issue Double issue Rs. 15 Rs. 20 Foreign (In US Dollars)Annual: Air mail 60 Annual (individuals) Rs. 150 Sea mail 50 Annual (institutions & libraries) Rs. 200 Annual (students) Rs. 100 2 years (individuals) Rs. 225 3 years (individuals) Rs. 300 (Rs. 10 extra if by outstation cheque) ISSN 0970 - 0293 Subscribers, please note: Due to increased costs of production we have had to raise the subscription rates for Social Scientists given above. The new rates will come into effect from issue no. 221 (Volume 19, Number 10). Social Scientis t is listed in the International Current Awareness Services and its contents are indexed in the International Bibliography of the Social Sciences. Printed and distributed by Tulika Print Communication Services Pvt. Ltd* I C-20, Qutab Institutional Area, New Delhi 110 016.