Step 1: Understanding the Concept: 
This question requires matching prominent modern Indian artists with their famous works. 
 
Step 3: Detailed Explanation: 
(A) G. M. Sheikh: A key member of the Baroda School, Gulammohammed Sheikh is known for his narrative and allegorical paintings. "City for Sale" (1981-84) is one of his most iconic works. So, (A) matches (II). 
(B) Bhupen Khakhar: Another influential artist from the Baroda School, Khakhar is celebrated for his unique figurative style depicting the lives of common men. "Janata Watch Repairing" is one of his well-known paintings. So, (B) matches (I). 
(D) Somnath Hore: A master printmaker and sculptor, Hore's works powerfully express human suffering. "Children" is a recurring and deeply moving theme in his art, particularly his 'Wounds' series of prints. So, (D) matches (III). 
(C) K. C. S. Paniker: A pioneer of modernism in South India and the founder of the Cholamandal Artists' Village, Paniker is known for his abstract works incorporating calligraphic and symbolic motifs. By elimination, (C) matches (IV). 
The correct set of matches is A-II, B-I, D-III, and C-IV. 
 
Step 4: Final Answer: 
The correct matching sequence is (A) - (II), (B) - (I), (C) - (IV), (D) - (III). 
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