Ayyappa Infra emerges as L1 bidder for implementation of 17 mgd Mitraon WWTP Project in New Delhi December 8, 2025 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater Ayyappa Infra Projects Private Limited has emerged as the lowest (L1) bidder for implementation of 17 mgd Mitraon wastewater … This content is restricted.