What do you mean by the following?

1. Green Revolution
2. White Revolution
3. Blue Revolution
4. Yellow Revolution

a. Green Revolution:

1. Green Revolution refers to the introduction of High Yielding Varieties (HYV) seeds, as well as the widespread use of chemical fertilizers and irrigation in agriculture.
2. It enabled India to become self-sufficient in foodgrains by increasing production, hence improving the country's agricultural sector.

b. White Revolution:

1. The dairy industry's revolution is known as the White Revolution.
2. It pioneered a cooperative strategy to harness dairy animal husbandry and remove the middleman in the agriculture supply chain, resulting in increased milk output and profit for farmers.
3. It is also known as Operation Flood.

c. Blue Revolution:

1. The Blue Revolution has resulted in a significant rise in the output of fish and other marine goods.
2. Aquaculture is becoming one of the major aspects of agricultural activity.
3. Aquaculture encompasses all forms of active animal and plant culture in marine and freshwater environments.

d. Yellow Revolution:

1. The term "yellow revolution" refers to a surge in edible oil output caused by the planting of hybrid oil seeds such as mustard, sesame, and others, as well as the use of supplementary oil-producing technologies.