Step 1: Understanding the Concept:
Rasogolla is a traditional dairy product.
Its shelf life depends on packaging and storage.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the shelf life of Rasogolla.
Step 3: Detailed Explanation:
Rasogolla packed in lacquered tins has a shelf life of about 6 months at room temperature.
This is due to the airtight packaging.
Other packaging methods have shorter shelf life.
Thus, the shelf life is 6 months.
Step 4: Final Answer:
The shelf life of Rasogolla is about 6 months.
Hence, the correct option is (A).