Directions: Each of the following items in this section consists of a sentence, parts of which have been jumbled. These parts have been labelled as P, Q, R and S. Given below each sentence has four sequences, namely (a), (b), (c) and (d). You are required to re-arrange the jumbled parts of the sentence and mark your response accordingly.

(P) and helped the country become self-sufficient in food production / (Q) in the 1960s and 1970s / (R) the Green Revolution / (S) led to significant increases in agricultural production in India