Explanations:
Reported speech of the above sentence is in assertive sentence. Its indirect speech will be made from the following rule - 1. Reporting verb 'said to' changed into 'told'. 2. Conjunction 'that' is used in the place of 'comma and inverted comma.' 3. According to the narration rule, tense and pronoun will be changed. The correct sentence is- Ram told Rita that he was feeling sleepy then.