This is a textbook of Mathematics meant for students of class 9. This has been cohesively devised to teach students the concepts of mathematics in an easy way. It is published by NCERT and has been devised according to the CBSE Board curriculum.
About NCERT
NCERT (National Council of Research and Training) publish books for class I to XII under the guidelines of CBSE board which is followed by both public and private schools. It is one of the foremost education boards of India.