Topline Infra emerges as L1 bidder for implementation of Bhagalpur-Amarpur-Banka Two Laning Road Project in Bihar October 29, 2026 | Awarded, Civil, Project Updates Topline Infra Projects Private Limited has emerged as Lowest bidder (L1) for implementation of the Bhagalpur-Amarpur-Banka Two Laning Road Project (SH-25). This content is restricted.