Correct option is A
Growth in food production is linked with the Green Revolution (1).
Milk production is associated with the White Revolution (3).
Fisheries are part of the Blue Revolution (2).
Fertilizers are a focus of the Grey Revolution (4).
The Green Revolution aimed at increasing agricultural production through the use of high-yielding variety (HYV) seeds and modern agricultural techniques. The White Revolution focused on increasing milk production, primarily through the National Dairy Development Board’s Operation Flood program. The Blue Revolution dealt with the development and growth of aquaculture and fisheries, while the Grey Revolution targeted increasing fertilizer production and usage in agriculture.