The Agricultural Produce (Grading and Marketing) Act was passed in

The Agricultural Produce (Grading and Marketing) Act was passed in 1937.
An Act to provide for the grading and marking of agricultural and other produce. This Act may be called the Agricultural Produce (Grading and Marking) Act, 1937. It extends to the whole of India.
AGMARK is a certification mark for agricultural produce, assuring that they conform to a grading standard notified by the Directorate of Marketing & Inspection (DMI), Department of Agriculture, Cooperation and Farmers Welfare, Ministry of Agriculture & Farmers Welfare under Agricultural Produce (Grading Marking) Act, 1937.