Social Structure and Development S R Sen Social Structure and Development Strategy in Asia by N K Sarkar; People's Publication House; pp xvi + 298, Rs 40, ABOUT the time that Karl Marx was developing the materialist conception of history, an old Brahmin Pandit of Calcutta lamented that "three Sens were destroying the Sanaton Dharma (tradi- tional socio-religlous system), Keshab Sen (a rationalist religious leader), Wihen (a European restaurant attracting young people) and Istisen (railway station; helping spread of modern trade. and technology)". He was no social scientist but had nevertheless a keen perception of social dynamics.