This book is authored by a team of expert teachers, educators, trainers and tutors with several years of teaching experience. With the experience of coaching and mentoring thousands of students from CBSE, CISCE (ICSE or ISC), IGCSE and IB boards, the books have been written to help the students score maximum marks in their final board exams, term 1 and term 2 exams, mock tests, pre-boards, sample papers, prelims, school terms, unit tests, mid-terms, model papers, specimen papers, guess papers, term exams, school tests, mocks, chapter tests, topic tests as well as to complete any of the homework assignments, timed practice tests, worksheets, projects, quizzes etc. The teachers have been providing the best coaching for all grades, coding classes as well as for the major prestigious competitions including IIT-JEE (Mains / Advanced) and NEET competitive exams. They have mentored several students to learn programming languages like Python, Java, C++, C, HTML, CSS, JavaScript, R, C# etc. The faculty have tried to shared the best practices gained from the experience of teaching school students, college students, Indian as well as international students. Having taught children according to the competency based education as well as constantly updating themselves with the latest National Education Policy (NEP) 2020, these books are planned so as to keep them updated as per the vision of India's new education system and latest curriculum changes.