https://magazine.watertoday.org/news/national/indias-longest-gravity-flow-water-tunnel-breakthrough-mp-sleemanabad-water-tunnel-bargi-diversion-project-narmada-water-vindhya-gravity-tunnel-katni-mohan-yadav-inaugurates-longest-underground-water-tunnel https://media.assettype.com/magazine-watertoday/2026-07-17/goo80th3/GeminiGeneratedImagekda8xlkda8xlkda8.png hourly 2026-07-17T10:57:23.074Z