Directions : This question consists of a sentence, parts of which have been jumbled. These parts have been labelled as P, Q, R and S. Given below the sentence are 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. 

historians consider India's(P)/ begun sometime between(Q)/ modern age to have(R)/ 1848 and 1885(S)