KBR Infratech emerges as L1 bidder for construction of STP in Byrathi Kanne, Karnataka April 13, 2023 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater KBR Infratech Limited has emerged as lowest (L1) bidder for the construction of a sewage treatment plant (STP) in Byrathi Kanne under Arkavathi Bangalore Development Authority (BDA) layout. This content is restricted.