The objective was to test the yield potential of the IRRI-developed hybrids under ideal boro conditions and then select the best hybrids for Bangladesh. Two hybrids, IR69690H and IR68877H, were nominated in the National Hybrid Rice Thai in the boro season (1999-2000) coordinated by the Seed Certification Agency and the Department of Agriculture Extension. After extensive evaluation, the National Seed Board recommended IR69690H as BRRI hybrid.