Sell your Class IX Mathematics textbook by Parijat Jain. This book is based on the CBSE syllabus and includes a comprehensive competition corner, HOTS & NCERT exemplar exercises, and a conceptual mind map. It follows the NEP 2020 and NCFSE 2023 guidelines.

Bought these when I was in nineth, didn't get much time to do them, now they are like absolutely new. Not even a single pen mark inside.
solutions are not easy to get but they are included here.