area Unit Himani budget school Snehil demand toilets 2000 sq Gujarat washing pioneers rooftops Benefits reliance flushing pollution timeframe later use less money irrigation dry spells resilience emergencies Neeraj Sahu soil erosion Beast Riderr Cost Savings storage tanks water shortages allegianceindia Greatest service Self-Sufficiency potable purposes various purposes stormwater runoff Lorem ipsum dolor water conservation ecological balance groundwater levels Client Testimonials Harvested rainwater natural water bodies Environmental Impact sustainable approach supplementary source Allegiance Enterprise Rain Water Harvesting consectur adicing elit underground reservoirs industrial applications expensive treated water usmod tempor incididunt environmental protection independent water source municipal water supplies Allegiance Water Management knowledgeable professional team various water management solutions Rooftop Rainwater Harvesting Systems Best rainwater harvesting consultant rooftop rainwater harvesting project