Isan Corporation submits bid for DPR preparation of Imphal-Yaingangpokpi Four Laning, Imphal-Jiribam Road Strengthening Project in Manipur June 18, 2026 | Project Bidders, Project Updates Isan Corporation submits bid for preparation of Detailed Project Report (DPR) for the Imphal-Yaingangpokpi Four Laning (NH-202), Imphal-Jiribam Road Strengthening (NH‑37) Project. This content is restricted.