class 12 political science Chapters Notes Book 1 -Contemporary World Politics Chapter 2-The End of Bipolarity Chapter 4-Contemporary Centres of Power Chapter 5-Contemporary South Asia Chapter 6-International Organisations Chapter 7-Security in the Contemporary World Chapter 8-Environment and Natural Resources Chapter 9-Globalization Book 2 - Politics in India Since Independence Chapter 1-Challenges of Nation-Building Chapter 2-Era of One-Party Dominance Chapter 3-Politics of Planned Development Chapter 4-India's External Relations Chapter 5-Challenges to and Restoration of the Congress System Chapter 6-The Crisis of Democratic Order Chapter 7-Regional Aspirations Chapter 8-Recent Developments in Indian Politics For Hindi medium click here below This Chapter in Hindi Medium