Effwa Infra & Research wins contract for implementation of JSW Steel, Dolvi ETP (ZLD) Project in Maharashtra December 4, 2025 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater Effwa Infra & Research Limited has won the contract for an amount worth Rs 3,134 million for implementation of JSW Steel, Dolvi …. This content is restricted.