Step 1: CRRI at Cuttack has been India's key public rice research institution for decades, working under the ICAR umbrella on varietal development and rice production research.
Step 2: In 2015, as ICAR restructured and elevated the institute's scope to reflect its national importance, it was renamed ICAR-National Rice Research Institute (ICAR-NRRI), while remaining physically located at Cuttack.
Step 3: The International Rice Research Institute is a distinct global body based in the Philippines and was never based at Cuttack, and the other two options are not genuine institutional names.
The correct answer is ICAR-National Rice Research Institute.