This question consists of six sentences of a passage. The first and sixth sentences are given as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly.

S1: The National Investigation Agency (NIA) on Wednesday November 30 took over from Mangaluru police the investigation into the November 19 pressure cooker blast in an autorickshaw in Mangaluru.
P: According to sources, NIA sleuths on Wednesday questioned Shariq, who is accused of carrying the pressure cooker that contained explosive substances and circuits, in the autorickshaw.
Q: Shariq had sustained 40% burns and is not in a position to talk since the incident.
R: Passers-by saw smoke while the autorickshaw was on the move, and the fire caused burns to Shariq and Pujari.
S: Mohammed Shariq, who was carrying the cooker, and autorickshaw driver Purushottam Poojari were injured.
S6: The city police questioned Purushottam Pujari.