15-09-2026
White Paper – The ₹650-Crore Buddha Darya Rejuvenation Project
Infrastructure Audit, Scientific Assessment, Source Apportionment and Roadmap for Sustainable Restoration & Rehabilitation of Buddha Darya and River Satluj
August 2026
Prepared in Public Interest
Col CM Lakhanpal
Member, PAC — Public Action Committee
Mattewara Jungles, River Satluj and Buddha Darya, Ludhiana
Executive Summary
The ₹650-crore Buddha Darya project represents a major investment in sewage-treatment and pollution-control infrastructure. However, completion of infrastructure does not automatically mean ecological rejuvenation.
The key question is whether the project has achieved measurable environmental outcomes: stopping untreated pollution, ensuring continuous treatment, controlling industrial and dairy pollution, improving Buddha Darya water quality, and protecting the River Satluj.
Key Areas of Audit
The project should be assessed through:
- Financial Audit — Reconcile the ₹519 crore infrastructure/tender value with the ₹650 crore project figure and the wider ₹840 crore programme figure.
- Physical Audit — Verify STPs, CETPs, ETPs, IPSs, interceptor systems and associated infrastructure.
- Hydraulic Audit — Verify whether the reported treatment capacity is adequate against actual dry, peak and wet-season flows.
- Pollution Load Audit — Identify and quantify domestic, industrial, dairy, cattle-dung and other pollution sources.
- Operational Audit — Examine actual flow, treatment efficiency, bypasses, downtime, power failures, sludge management and compliance.
- Ecological Outcome Audit — Measure whether Buddha Darya and downstream River Satluj have actually improved.
Scientific Assessment
The IIT Roorkee/NIH Roorkee studies and the IIT Ropar Source Apportionment and Comprehensive Investigation of Pollution in Buddha Dariya study are critical to the assessment.
Their complete reports, methodologies, raw data, sampling details, flow measurements and source-contribution calculations should be made publicly available.
Major Pollution Sources
The restoration strategy must address:
- Domestic sewage
- Industrial wastewater
- Dairy effluent
- Cattle dung
- Illegal outlets and connections
- Contaminated stormwater
- Solid waste
- Industrial and CETP pollution
- Sediment contamination
STP capacity alone cannot solve industrial pollution.
Recommended Approach
The system must move beyond:
Collect → Pump → Treat → Discharge
towards:
Prevent → Segregate → Treat at Source → Recover Resources → Reuse → Restore Ecology
This should include treated-water reuse, industrial source control, dairy waste management, CBG/biogas recovery, stormwater separation, sediment remediation, wetlands, riparian restoration and ecological-flow protection.
Public Accountability
A public environmental dashboard should provide real-time and historical information on:
- STP and CETP performance
- IPS operation
- Water-quality monitoring
- Industrial compliance
- Dairy waste and cattle-dung management
- Illegal outlets
- Buddha Darya and Satluj water quality
Conclusion
The Buddha Darya project should not be judged only by the construction of infrastructure or expenditure of funds.
The real measure of success is environmental improvement.
Until untreated pollution is stopped, treatment systems operate continuously, pollution sources are controlled, water quality improves and the River Satluj is protected, the restoration of Buddha Darya cannot be considered complete.
