NCERT Solutions for Class 12 Political Science NCERT Solutions by Himanshu - April 10, 20190 Chapter 1 The Cold War Era Chapter 2 The End of Bipolarity Chapter 3 US Hegemony in World Politics Chapter 4 Alternative 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 Globalisation