Step 1: Understanding the Question:
This question tests knowledge of banned pesticides in India.
Step 2: Detailed Explanation:
DDT, Aldrin, and BHC are banned or restricted in India for agricultural use.
Chlorpyriphos is still permitted for use in crop pest management (though with restrictions).
DDT (A): Banned for agricultural use (allowed for vector control).
Aldrin (B): Banned.
BHC (D): Banned.
Thus, chlorpyriphos is not banned.
Step 3: Final Answer:
Thus, chlorpyriphos is NOT banned for application in crop pest management, which corresponds to option (C).
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