okay I wouldn't say I used this book like twice I have used it a few more times🤣 but regardless the book is in v good condition you might see my marks with pencils tho sometimes well those marked notes are just going to help you my cute junior yeah I purchased it for 900 but will sell it by 650. Includes NCERT notes, topic-wise MCQs, exemplar problems, exam archives and practice papers.Objective NCERT at your Fingertips Biology book for Class XI and XII.