Concept:The sentences must be arranged logically to describe PTI's reach, languages, specific Hindi service, and then its satellite delivery system connecting to S6.
Explanation:S1 introduces PTI as a cooperative news agency.
Sentence Q states that over 500 newspapers and many overseas news entities subscribe to PTI, establishing its broad subscriber base.
Sentence P then mentions that PTI offers news services in English and Hindi, directly following the subscriber context.
Sentence S specifies that the Hindi service is called 'Bhasha', giving a concrete name to the service mentioned in P.
Sentence R shifts the focus to PTI's own satellite delivery system, which leads naturally into S6 about increasing satellite reception among subscribers.
Thus the correct sequence is Q, P, S, R.
Answer:QPSR (Option B)