Foundation stone laid for construction of STP under Indirapuram-Sahibabad water pipeline project January 5, 2022 | Industrial Wastewater, News & Developments, Ongoing, Project Updates, State Initiatives, Wastewater nment of Uttar Pradesh laid the foundation stone for construction of sewage treatment plant (STP) under the Indirapuram-Sahibabad water pipeline project on January 4, 2022. This content is restricted.