The Tribune Special: Ludhiana’s Buddha Nullah shows improvement after years of investment, but pollution battle far from over

Years of investment in sewage treatment and common effluent treatment plants have brought a measurable improvement in some pollution parameters in the Buddha Nullah but the latest monitoring data show that the battle is far from over. A comparison of samples taken in January 2025 and April 2026 at 13 locations along the Buddha Nullah […]