In March 2026, the Ministry of Jal Shakti announced that which state has become the first to achieve 100% saturation in 'Grey Water Management' at the village level?
The ratio of land to water for the whole earth is 1 : 2 and in the Northern Hemisphere, it is 2 : 3. What is the ratio of land to water in the Southern Hemisphere?
A mixture of 40 litres of milk and water contains milk and water in the ratio 3 : 1. How much water must be added to this mixture so that the ratio of milk and water becomes 2 : 1?
The 'Jal Jeevan Mission (JJM) 2.0', approved by the Union Cabinet in March 2026, aims to provide tap water connections to all rural households by which year?