Question

The principal said,"Boys,stand up." Change in indirect speech

Answer 1

The Principal ordered the boys to stand up.

Answer 2

The correct answer will be : The Principal ordered the boys to stand up. In this case, when a direct speech is changed to indirect speech, the punctuations are no longer needed. It takes on a commentarial voice.

Moreover the tone of the direct speech needs to be understood to comprehend whether it is an order or a request and so on. In this case the Principal is definitely ordering the boys to stand up.