Three firms submit bids for providing DPR services for Chilpi-Simga Four Laning Road Project in Chhattisgarh October 23, 2026 | Consultancy, Project Bidders, Project Updates A total of three firms have submitted bids for the preparation of Detailed Project Report (DPR) for the Chilpi-Simga Four Laning Road Project (NH-30). This content is restricted.