In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

Ram said to Rohan, 'Don't run so fast.'

• Ram advised Rohan don't run so fast.

• Ram asked Rohan why is he running so fast.

• Ram requested Rohan not to run so fast.

• Ram told Rohan not to run so fast.