The correct answer is D. All of the above.
The Watershed Development Programme (WDP) is a centrally sponsored scheme that aims to improve the water and land resources management in the country. It is implemented by the Ministry of Rural Development, Government of India. The WDP covers a wide range of activities, including watershed development, soil and water conservation, afforestation, and rural infrastructure development.
The Drought Prone Area Programme (DPAP) is a centrally sponsored scheme that aims to improve the productivity of land and water resources in drought-prone areas. It is implemented by the Ministry of Agriculture and Farmers Welfare, Government of India. The DPAP covers a wide range of activities, including watershed development, soil and water conservation, afforestation, and rural infrastructure development.
The Integrated Wasteland Development Programme (IWDP) is a centrally sponsored scheme that aims to develop wastelands for productive purposes. It is implemented by the Ministry of Environment, Forest and Climate Change, Government of India. The IWDP covers a wide range of activities, including watershed development, soil and water conservation, afforestation, and rural infrastructure development.
The Desert Development Programme (DDP) is a centrally sponsored scheme that aims to improve the productivity of land and water resources in desert areas. It is implemented by the Ministry of Rural Development, Government of India. The DDP covers a wide range of activities, including watershed development, soil and water conservation, afforestation, and rural infrastructure development.
All of these programmes are aimed at improving the water and land resources management in the country. They are implemented by different ministries of the Government of India and cover a wide range of activities.