@watto zaye bro i hve also opted this sbject for 2012. It is a good subject as it is very helpful in current affairs. It syllabus is also nt very lengthy. U can go thru syllabus. Books i am stdying r iR by parkash chandr.Ir By imtiaz shahid. ir By palmar and Perkins. Bt important thing is stdy Analytically. Best of luck!