L.N.Tandon is the most authentic and only book which covers all the chapters of CSS course outline. i have also prepared 4m that very book 4 my written, u need not to do all the chapters of the book but relevant one.

special abt that book is it contains references of almost all authentic law books like Starke. almost 18 topics cover the whole course.

but i sujest u to purchase i.law book by mansoor publishers 4 easy understanding of subject matter and this book will also lead u to the technique of attempting questions with appropriate answers