The correct answer is D. Conjunctive use of surface water and groundwater is promoted in Telangana to optimize water use, reduce pressure on single sources, and improve irrigation reliability.
Surface water is water that is found on the surface of the Earth, such as in rivers, lakes, and reservoirs. Groundwater is water that is found beneath the Earth’s surface, in aquifers. Conjunctive use is the use of both surface water and groundwater to meet water demands.
There are several reasons why conjunctive use is promoted in Telangana. First, it can help to optimize water use. By using both surface water and groundwater, it is possible to meet water demands more efficiently. Second, conjunctive use can help to reduce pressure on single sources. If surface water is scarce, groundwater can be used to supplement it. This can help to prevent water shortages. Third, conjunctive use can improve irrigation reliability. By using both surface water and groundwater, it is possible to irrigate crops even during periods of drought.
In conclusion, conjunctive use of surface water and groundwater is promoted in Telangana to optimize water use, reduce pressure on single sources, and improve irrigation reliability.