| List I | List II |
|---|---|
| (A) Paharias | (I) Damin-i-Koh |
| (B) Santhals | (II) Economist |
| (C) David Ricardo | (III) Bengal Medical Service |
| (D) Francis Buchanan | (IV) Rajmahal Hills |
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world