It sounds like you're referring to the English Grammar and Composition book, commonly used in Class 9–10 in Bangladesh (especially for the SSC curriculum). However, there is no single specific book titled "Chowdhury and Hossain English Grammar Book Class 9" as a separate volume for just Class 9 — it's typically a combined 9–10 textbook .
CUET (Common University Entrance Test) is an exam that offers admission into undergraduate degrees across various disciplines at central universities including Delhi University (DU) and its famous colleges like St. Stephen's, Hindu, Miranda House, SRCC, and other participating institutions.
It sounds like you're referring to the English Grammar and Composition book, commonly used in Class 9–10 in Bangladesh (especially for the SSC curriculum). However, there is no single specific book titled "Chowdhury and Hossain English Grammar Book Class 9" as a separate volume for just Class 9 — it's typically a combined 9–10 textbook .