Given below are five sentences, each of which has been

Solution

The original sentence seemed to have segments related to different aspects of the ocean expedition. To create a coherent and logically structured sentence,  the rearrangement starts with the main purpose of the expedition (P), followed by the introduction of the expedition’s name (R), and then specifies the objectives (Q) and what is being  explored (S) The rearranged sentence: "To unravel the secrets of the deep sea (P), India has launched an ocean expedition named ‘Samudrayan’(R) to explore deep sea organisms, minerals (Q), and other natural resources (S)."