The 1^st and the last sentences of the passage are numbered 1 and 6. The rest of the passage is split into four parts P, Q, R and S. These four parts are not given in their proper order. Read the sentence and find out which of the four combinations is correct. The find the correct answer and indicate it in the answer sheet.

Q:

1. Earlier, travellers found incredible beauty in Nanda Devi.
P. Their dumping of garbage disturbed the ecological balance.
Q. But when restrictions were lifted in Nanda Devi in 1974, a deluge of foreign mountaineers descended upon it.
R. With them came garbage and deforestation.
S. Hence Nanda Devi Sanctuary was made out of bounds for outsiders in 1982.
6. Nanda Devi is the third highest Himalayan peak. 

• 1
  QRPS
• 2
  SQPR
• 3
  PRSQ
• 4
  QSPR