JV of M/s K D Singh, R&B Infra emerges as L1 bidder for implementation of Sirmaur-Dabhaura Two Laning Road Project in Madhya Pradesh October 5, 2026 | Awarded, Civil, Project Updates JV of M/s K D Singh, R&B Infra Projects Limited has emerged as lowest bidder (L1) for implementation of the Sirmaur-Dabhaura Two Laning Road Project (NH-135B). This content is restricted.