Questions

• The White Revolution in India, also known as Operation Flood.

• It was a plan of three phases by the National Dairy Development Board to revitalise India's dairy production until India became self-sufficient in milk.

• The program was so successful that by 1998, India was the world's largest milk producer.

In urban areas, rain water available from roof tops of buildings, paved and unpaved areas goes waste. This water can be recharged to aquifer and can be utilized gainfully at the time of need. In areas where the surface soil is impervious and large quantities of roof water or surface runoff is available within a very short period of heavy rainfall, the use of trench/ pits is made to store the water in a filter media and subsequently recharge to ground water through specially constructed recharge wells.

Gully plugs are built using local stones, clay and bushes across small gullies and streams running down the hill slopes carrying drainage to tiny catchments during rainy season.It is applicable only in rural areas.