The Bihar Urban Infrastructure Development Corporation (BUIDC) has awarded an engineering, procurement and construction contract worth Rs four point one one bn to Enviro Infra Engineers Limited (EIEL) for urban water and sanitation works in Bihar. The award marks a significant project win for EIEL and expands its footprint in the state. The contract covers design and construction of sewage treatment plants, sewerage schemes, common effluent treatment plants and water supply scheme projects. The company was reported to provide operations and maintenance services following commissioning. EIEL is a specialist engineering, procurement and construction firm with more than 15 years of experience in water and wastewater treatment projects across India. It undertakes projects for government authorities and urban bodies and performs civil construction works directly to reduce reliance on external contractors. The firm maintains an in-house team for design, engineering and construction and engages third party consultants and industry experts to ensure compliance and quality. The company offers sustained post project performance through dedicated operations and maintenance arrangements. The contract value follows the corporation's plan to upgrade urban infrastructure and improve sanitation outcomes in targeted municipalities. EIEL's strategy of self-reliance in project execution is expected to accelerate delivery timelines and provide greater control over construction quality. The involvement of third party consultants will be used to validate technical designs and regulatory compliance. The project is positioned as part of wider efforts to enhance water management systems in the region. Company representatives indicated that the award supports EIEL's strategic expansion in Bihar and reinforces its commitment to innovative, high quality solutions for water management and sanitation infrastructure. The firm will be responsible for delivering end to end services from detailed design to commissioning and operations. Stakeholders in the urban bodies are anticipated to monitor project milestones and performance metrics during implementation. The contract is expected to contribute to improved public health outcomes through enhanced wastewater and water supply services.