Political Science

Just go through previous year entrance question paper it's very easy and I'm mentioning some text here just read them.
Political Theory -By Andrew Heywood.
Key concepts in political science -By Andrew Heywood.
India since independance -By Bipin Chandra.
From Plassey to partion and after (Selected Chapters) -By Sekhar Bandyopadhyay.
Indian Government and Politics -By B.L. Fadia.
Introduction to the Indian Constitution -By D.D. Basu.
The Indian Constitution -By Granville Austin.
The Oxford Companion to Politics in India -By Jayal Mehta.
Comparative Politics -By J C Johari.
Comparative Politics -By V N Khanna.
Western Political Thought -By Nelson.
Political Thought -By C L Wayper.
Western Political Thought -By O P Gauba.
Makers of Modern Indian -By R C Guha.
Indian Political Thought -By Thomas Panthom.
Indian Political Thought -By Roy & Singh.
Indian Politics -By Singh & Saxena.
The Globlizzation of world politics -By Baylis Smith.
Theories of International Relations -By Kenneth waltz.
Global Politics -By Andrew Heywood.
International relations -By Gosh.
The Oxford Handbook of Indian Foriegn Policy -By Malone Mohan Raghwan.
Does the elephant dance -by Malone.
Politics -By Andrew Heywood.
Foundation of Comparative Politics -By Kenneth Newton & Jan W. Van Deth.
Cases in Comparative Politics -By Patrick H. O Neil, Karla Fields & Don Share.
Essential Reading in Comparative Politics -By Patrick H. O Neil, Ronald Rogowski.
Introducing Comparative Politics -By Stephen Orvis Carol Ann Drogus.
Current Debates in Comparative Politics -By J. Tyler Dickovick & Jonathan Eastwood.
Comparative Politics Integrating Theories, Methods and Cases -BY J. Tyler Dickovick & Jonathan Eastwood.
Comparative Politics Classic and contemporary readings -By J. Tyler Dickovick & Jonathan Eastwood.
AP Comparative Government and Politics: An essential course book -By Ethel wood.
The Oxford Handbook of Comparative Politics -By Carles Boix & Susan C. Stokes.