Choose the most logical order of sentences from among the given choices to construct a coherent paragraph:(a) When he was rushed to the nearby Primary Health Centre after his fall, the doctor referred him to a hospital. (b) This worsened his injury. (c) Had a little precaution been exercised after the accident, Tarun would have continued with his gymnastic classes. (d) He was paralysed from waist downwards when he fell from the vaulting horse w hile doing gymnastics. (e) However, the doctor forgot to tell Tarun's parents to take him on a stretcher as he had suffered spinal injuries. (f) Tarun is wheelchair bound for two years.

Different words form a sentence and convey their meaning only when arranged in a proper order. A Paragraph is formed from sentences, it will convey its true meaning and purpose only when the sentences are arranged in a proper manner.    
In the following questions, some parts of the sentence have been jumbled up. You are required to rearrange these parts which are labelled P, Q, R and S to produce the correct sentence.