Select the correct indirect form of the given sentence.

“The children had better go to bed early”, said Ram.

Ram said that the children had better go to bed early.

The correct indirect form of the given sentence is:

Ram said that the children had better go to bed early.

The other options are incorrect for the following reasons:

• Ram asked that the children had better go to bed early. - The reporting verb "asked" is not appropriate in this context, as Ram is not asking the children to go to bed early, but rather advising them to do so.
• Ram said that the children had better went to bed early. - The past tense verb "went" is not appropriate in indirect speech, as the speaker is reporting what was said in the present perfect tense.
• Ram said that the children had better gone to bed early. - The past participle verb "gone" is not appropriate in indirect speech, as the speaker is reporting what was said in the present perfect tense.