JDA approves upgradation of STP in Gajadharpura, Jaipur March 6, 2023 | Announced/Approved, Key Segments, Municipal Wastewater, Project Updates, Wastewater The Public Works Committee (PWC) of the Jaipur Development Authority (JDA) has approved the upgradation of the sewage treatment plant (STP) in Gajadharpura, Jaipur . This content is restricted.