Anis said, “I must write a letter”. The indirect narration of this sentence is–
Anis said that he must write a letter.
Anis said he had to write a letter.
Anis said that he had to write a letter.
Anis said he must write a letter.
Explanation:
Correct Answer is: Anis said that he had to write a letter.
Must এর স্থানে reported speech এ had to বসে।