In each of the given questions, three sentences are

Solution

Solution Statement I: Gujarat MLAs, who were flown to Bengaluru 10 days ago, is part of the party’s desperate move to keep its flock together amid several defections. Flock together(Idiom): To gather together in great numbers.. Clearly, the given idiom is used correctly in statement I. Statement II: Under attack from diluting the case of alleged stalking and attempted kidnap of a young woman on Friday night by Vikas Barala, son of the Haryana state BJP president Subahsh barala, the Chandigarh police on Monday found itself again in the dock after it was reported that CCTV footage from at least five locations was missing as the cameras were non-functional. In the dock(Phrase) : On trial or under intense scrutiny. Clearly, the given phrase is used correctly in statement II. Statement III: Please don't hover over me, watching what I am doing all the time. Hover over(Idiom) : To stay close to someone or something, waiting, ready to advise or interfere. The idiom is used correctly in statement III as well. Hence, option E is correct.