The HCPA initiated Rain Water harvesting plant as Sneh Kunj and completed successfully to cover all campus area. By Practices and Practitioners by Delhi Government.The national capital territory, (NCT), of Delhi receives 611 mm of rainfall on an average annually and the number of rainy days are as low as 20-30. (A rainy day is specified as a day with more than or equal to 2.5 mm of rainfall). The geology of Delhi comprises Alwar quartzites and alluvium whose vertical hydraulic conductivity, (permeability), is high compared to the horizontal permeability. This makes the conditions favourable for artificial recharge.Thus most of the urban rainwater harvesting efforts revolve around recharge of aquifers which is the best option available taking into consideration the rainfall pattern and availability.