Concept:
Dairy whitener is a milk powder-based product used as a substitute for liquid milk. Regulatory bodies like FSSAI define composition standards.
Step 1: Understanding classification.
Dairy whiteners are classified based on fat content:
• Low fat
• Medium fat
• High fat
Step 2: FSSAI standard.
According to FSSAI (2023):
• High fat dairy whitener must contain at least 20% milk fat
Step 3: Evaluating options.
• 10%, 15%, 18% → Below requirement
• 20% → Meets standard
Step 4: Conclusion.
Thus, correct answer is 20%.