Change the narration: Shahid's brother said to him, “Please wait for me.”

Shahid's brother order him to wait for him

Shahid's brother requested him to wait for him

Shahid's brother suggested him to wait for him

None of these

The original sentence ("Please wait for me.") uses the word "Please," which indicates a polite request, not an order or suggestion.

In indirect speech, such requests are reported using "requested + object + to + verb."