NCERT Solutions for Class 12 Political ScienceAds Chapter 1 – The Cold War EraChapter 2 – The End of BipolarityChapter 3 – US Hegemony in World PoliticsChapter 4 – Alternative Centres of PowerChapter 5 – Contemporary South AsiaChapter 6 – International OrganisationsChapter 7 – Security in the Contemporary WorldChapter 8 – Environment and Natural ResourcesChapter 9 – Globalisation