Choose the most logical order of sentences from among the given choices to construct a coherent paragraph: (a) In a country that has close to 600 recognised engineering colleges, there are only seven IITs. (b) Barring a few exeptions, the academic atmosphere in these is moribund. (c) The very best students usually get there. (d) many waste themselves in frustration. (e) Most of those who get into engineering are good students. (f) but about 1.25 lakh others and up in the remaining colleges.

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.