I said, `Do it.` বাক্যের indirect speech হবে।
I ordered to do it.
I said that it should done
I said to do it
I said that let it be done
Explanation:
Correct Answer is: I ordered to do it.
Imperative sentence এ আদেশ বুঝাতে said এর পরিবর্তে order বসে এবং পরের verb এর পূর্বে to বসে।