Enviro Infra Engineers share price gains over 11% to 3-week high on ₹411-crore Bihar sewerage project win by Live mint | March 12, 2026 3:05 pm | Indian Stocks, Market, News Enviro Infra Engineers shares rose 11.11% to Rs170 on March 12 after winning a ₹411 crore sewerage project in Bihar. This surge follows an 8.15% rise the previous day, totaling a 20% increase over two days, despite broader market declines.