HISTORY: PAPER-I (SECTION-A) Sources and approaches to study of early Indian History. Early pastoral and agricultural communities. The Archaeological evidence. (Neolithic and Chalcaolithic Cluture) The Indus civilization: its origin, nature and decline. ... : LatinAmerica,Africa,Asia. 23. Soviet Disintegration and the Unipolar World- Causes, Consequences and other developments; Globalization.