Question

the teacher said to the students, "submit the notebooks on monday".(Indirect speech) ​

Answer 1

The teacher asked the students to submit the notebooks on Monday

Answer 2

Hyy mate......

Here is your answer ......

Direct Speech: The teacher said to student "submit the notebook on Monday."

Indirect Speech:the teacher ordered the student to submit his notebook (on that Monday).

Hope it will help you...

Thanks for asking...