The following sentences form a paragraph. These four parts are numbered as P, Q, R and S. They are not given in their proper order. Read the sentences and choose the alternative that arranges them in correct order.

P. The Centre and the States had got down to dealing with the existing regulations on plastic waste management and municipal solid waste.

Q. This lackadaisical approach is at odds with its ambitious goals.

R. India has an uninspiring record when it comes to handling waste.

S. It has patchy data on volumes, and even less on what it recycles.