Step 1: Concept Overview:
The problem asks us to match Indian English authors to their respective novels.
Step 2: Detailed Solution:
Matching each author to their work:
\[\begin{array}{rl} \bullet & \text{(A) Allen Sealy: Known for The Trotter-Nama, he also authored (II) The Everest Hotel. } \\ \bullet & \text{(B) Salman Rushdie: His debut novel was the science fiction fantasy (IV) Grimus (1975). } \\ \bullet & \text{(C) Amitav Ghosh: His works include the medical thriller (I) The Calcutta Chromosome. } \\ \bullet & \text{(D) Vikram Seth: Before A Suitable Boy, he wrote (III) The Golden Gate, a novel in verse. } \\ \end{array}\]Thus, the correct matches are: (A)-(II), (B)-(IV), (C)-(I), (D)-(III).
Step 3: Conclusion:
The answer is (B).