Convert the sentence into Indirect Speech:
He said, "My sister is writing a letter to my uncle."​

Correct option is A

· Definition:
· Present continuous tense in direct speech changes to past continuous in indirect speech.
· Tense Rule:
· "Is writing" → "Was writing" as per past reporting.
· Structural Changes:
· "My" changes to "his" according to the subject.
· Present continuous ("is writing") changes to past continuous ("was writing").
· Corrected Sentence: He said that his sister was writing a letter to his uncle.
· Explanation of Options:
· (a) He said that his sister was writing a letter to his uncle – Correct.
· (b) He said that her sister is writing a letter to uncle – Incorrect, "her" is wrong, "is writing" should change to "was writing".
· (c) He told that his sister is writing a letter to his uncle – Incorrect, "told" needs an object.
· (d) He said to me that his sister is writing a letter – Incorrect, unnecessary "to me".