Construction of North Central Province Transfer Canal from Yakalla to Maminiya Oya (from 0 + 000 to 6 + 131 km + m), and Improvements of Maminiya Oya with 3 Anicuts (from 0 + 000 to 13 + 309 km + m) - Contract Package NCPCP-5B MALLI/MWSIP-STAGE 2/ADB/WORKS/ NCPCP-5B/ OCB/2026/019