The correct answer is option 2) i.e. The teacher asked the students which of the following was associated with Panchayati Raj. Explanation: This is an interrogative sentence. It will be changed into Indirect speech as under: Said to will be changed into asked. Comma and inverted commas will be removed. 'Question word' which' will act as conjunction. 'Of the following' is a part of question word, so it will be carried along with. In order to make the sentence assertive, subject(which of the following) will be taken before the helping verb. Past of 'is' ( was )will be used. Important Points An interrogative sentence, when changed into Indirect speech, become an assertive sentence. In order to make the sentence assertive, helping verb will follow the subject. [ height="38px" src="//storage.googleapis.com/tb-img/production/21/12/5f636ab90ef495ff1dac44f2_16397196272901.png" width="160px"> 'Which of the following' makes the sentence interrogative, So the whole of it will all be considered as the question word. Eventually, we will get the final sentence-" The teacher asked the students which of the following was associated with Panchayati Raj.