Explanation:

The Central Rice Research Institute (CRRI), now known as ICAR-National Rice Research Institute (NRRI), was established in $1946$ and is located in Cuttack, Odisha, India. It is a premier institution dedicated to rice research, focusing on improving rice varieties and cultivation practices for enhanced food security. - Option A (Bengaluru): Bengaluru is home to several prominent research institutes, such as the Indian Institute of Science, but not the Central Rice Research Institute. - Option B (Cuttack): The ICAR-National Rice Research Institute (formerly CRRI) is indeed located in Cuttack, Odisha. This is the correct answer. - Option C (Kanpur): Kanpur is known for institutions like the Indian Institute of Pulses Research and the National Sugar Institute, but not the primary rice research institute. - Option D (Coimbatore): Coimbatore hosts the Sugarcane Breeding Institute and Tamil Nadu Agricultural University, which are focused on other agricultural research areas, not the main rice research institute.