The total foodgrain production data for India in 2022-23 is based on official reports from the Ministry of Agriculture and Farmers Welfare or relevant statistical agencies.
Step 1: Verify the official report.
The official foodgrain production for the year 2022-23, according to the latest reports, is 329.69 million tonnes.
Step 2: Conclusion.
Therefore, the correct answer is (B) 329.69 million tonnes.