A Hydro-Geological Survey is a crucial step in identifying suitable locations for borewells or ring wells. While advanced technologies exist, the Simple Resistivity Method is often used to trace underground water paths. Additionally, dowsing techniques involving copper rods, pendulums, or coconuts are practiced by specialists who interpret their movements to detect subsoil streams. These natural indicators help determine viable water sources. Once identified, drilling is carried out using rotary or high-pressure percussive machines to ensure proper groundwater access. A well-executed survey prevents unnecessary drilling and maximizes water yield, making it essential for sustainable water solutions.