History is an integral part of the UPSC exam, both prelims and mains exams. Among all the books, the NCERT textbooks are considered essential for a good understanding of the basics of the subject. Off late, however, a lot of candidates are resorting to reading the Tamil Nadu board textbooks instead of some, if not all the NCERT textbooks.So Ojaank Sir is bringing a combination to easily prepare for UPSC exams in an easier and innovative way 999