Statement 1 is correct: Prevention of soil runoff IWDP promotes practices that reduce soil erosion, protecting valuable topsoil and improving land fertility. Statement 2 is incorrect: Linking perennial and seasonal rivers While water resource management is a part of IWDP, it doesn't focus on physically linking separate river systems. The National River Linking Project is a separate project to interlink rivers. Statement 3 is correct: Rainwater harvesting and groundwater recharge IWDP encourages rainwater conservation techniques, allowing more water to infiltrate the ground and replenish aquifers. Statement 4 is correct: Regeneration of natural vegetation IWDP often involves planting trees and promoting sustainable land management practices, leading to increased vegetation cover.