UPSC Syllabus Preliminary and Main Exam is a syllabus book for undergraduate students taking up the UPSC examinations for recruitment into the Indian Administrative Services (IAS). The book contains the details of the latest syllabus of each and every subject topic which is relevant to the IAS Preliminary and Mains examination. The book will update the aspirants on the latest changes in the syllabus of the Preliminary and Mains exams. It is an important handy tool for the aspirants which they can refer throughout their preparation. The book has been further enriched with tips and techniques to crack the IAS Prelim and Mains exam. The trend analysis of last 5 years of IAS Mains and Prelims has been incorporated.