This is a study of how the Bharatiya Janta Party has occupied centre- stage in India and what the reasons are for the shift in Indian society, polity and economy. The study has three inter linked parts. The first part is the genesis of the Sangh Parivar and its ideological and political praxis. The second part is an investigation of success of the Parivar to expand its social and political base Finally, acts of omission and commission, and foreign policy of BJP-in Government have been critically analysed. All those interested in Indian polity, research scholars and students of Political Science should find it an useful readingAbout the AuthorProfessor C P Bhambhri currently ‘Distinguished Scholar” of Jawaharlal Nehru University, New Delhi, has been Professor and Dean of the School of Social Sciences. He also has been a Visiting Professor to Mc Gill University, Canada and Dar-Es-Salaam University, Tanania. He is a prolific writer who has published in internationall and national academic professional journals and has also intervend through news-papers Articles. Some of his widely acclaimed books are : The Indian State ; (Two Volumes): Foreign Policy of India : The Political Process in India and Elections 1991- An Analysis.