This question consists of four sentences of a passage. The four sentences have been jumbled up and labelled as P, Q, R and S. Rearrange the sentences and choose the correct option.

P: Dwarka is the first among them.

Q: They are expected to alleviate the problems of housing.

R: It is coming up in the South-West of the capital.

S: Several sub-cities have been planned around the capital.