He sat
P : through the Town Hall Park
Q : which flanked a path running
R : under the boughs
S : of a spreading tamarind tree

The Proper sequence should be:

A. PQSR

B. RSQP

C. RSPQ

D. PRSQ

Answer: Option B

Solution(By Examveda Team)

He sat under the boughs of a spreading tamarind tree which flanked a path running through the Town Hall Park.