Inderdeep Infra India emerges as L1 bidder for implementation of 18.5 mgd Tajpur Pahari STP Project (Package-III) in Delhi July 28, 2026 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater Inderdeep Infra India Limited has emerged as Lowest (L1) bidder for implementation of 18.5 mgd Tajpur Pahari STP Project … This content is restricted.