And the information is only Advisory only....no critics allowed to comment on it!
First most preference to civil services was always General Studies.... its vast and very easy if u tackle in topic wise.
Start with GS - it has physics chemistry biology, history, polity, economy, GK, current affairs, mental ability.
First buy a good book.... i advise Tata mc graw hill, General studies manual 2010, its costs 700 in koti book stores.
in that topics are all divided, most of the questions from g1,2 are direct from it,
the book is having many multiple choice questions too..... totally having 1600 pages... of it 960 pages were theory part...
That 960 pages can be divided into the following pattern...