The 2nd Updated edition of Disha's popular NCERT Digest Series is now more powerful than before with the integration of Tamil Nadu Textbooks. This new edition Tamil Nadu & Old + New NCERT Digest Economics for UPSC & State PSC Civil Services Exam is a one of its kind book to Master basic concepts for UPSC CSE exam. It is the First book ever to cover 100% concepts from both Old and New NCERT & Tamil Nadu Textbooks in one Book, which means you won’t miss any concept if you study from this single comprehensive resource. Additionally, the simplified presentation of concepts in One-Liner Format and seamless integration of OLD & NEW NCERT along with Tamil Nadu textbook will enable you to Read quickly, Learn easily, and Revise like a pro. One-liner theory is a proven method for easy and sustained retention. A firm grasp on these concepts will greatly contribute to your success in the exam.