Standardization of food by the Directorate of Marketing and Inspection, Govt. of India is:

Correct option is C

The Directorate of Marketing and Inspection under the Ministry of Agriculture enforces AGMARK standards in India. AGMARK certifies agricultural products for quality and purity. It ensures that food products meet certain standards related to grading and quality to protect consumers and promote trade.
Explanation for each option: (a) Codex Alimentarius: Incorrect. Codex Alimentarius is an international food standards body developed by FAO and WHO, not specific to India. (b) PFA standards: Incorrect. PFA (Prevention of Food Adulteration) standards have been replaced by FSSAI regulations; they were earlier enforced for food safety, not grading. (Source: FSSAI India Handbook) (c) The Agmark standards: Correct. AGMARK standards certify agricultural produce based on quality parameters under the Directorate of Marketing and Inspection. (d) Bureau of Indian Standards: Incorrect. BIS sets standards for industrial and consumer goods, but not specifically for food grading under AGMARK.