Directions: In the following item, the passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6, respectively. The middle four sentences have been removed and jumbled up. These are labelled P, Q, R and S. You are supposed to find out the proper sequence of the four sentences and mark the answer accordingly.

S1: In almost all the developing countries, estimates indicate that every six seconds, one child dies and another becomes disabled as a consequence of diseases that can be prevented with immunisation. S6: After each round of immunisation during the IIP, all computerised data were brought up-to-date. P: At the start of the programme, local Anganwadi centres for pre-school children operating as a part of the National Integrated Child Development Services Scheme were involved in conducting house-to-house surveys. Q: The experiment has been launched with the objective of introducing new and efficient strategies for large-scale immunisation programmes, which, if successful, could be used as models for similar endeavours in the future. R: Two areas were included in the IIP: Trilokpuri and Khanjawala. S: Between December 1983 and March 1984, a large-scale experiment – the Intensive Immunisation Programme (IIP) – was conducted in Delhi.