Step 1: Understanding the Concept:
PUSA bin is a storage structure developed for grain storage.
It is designed to provide a moisture-free environment.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the features of PUSA bin.
Step 3: Detailed Explanation:
PUSA bin is a simple, moisture-free storage structure.
It is designed to be used outdoors, not as an indoor structure.
It is a modified silo-like structure made of galvanized iron sheets.
Thus, Assertion A is correct.
But Reason R is incorrect because it is not recommended as an indoor structure.
Step 4: Final Answer:
A is correct but R is not correct.
Hence, the correct option is (C).